Only certain table JOIN errors in PostgreSQL

{
    "Severity": "ERROR",
    "Code": "42601",
    "Message": "syntax error at or near\".,
    "Detail":",
    "Hint":",
    "Position": "76",
    "InternalPosition":",
    "InternalQuery":",
    "Where":",
    "Schema":",
    "Table":",
    "Column":",
    "DataTypeName":",
    "Constraint":",
    "File": "scan.l",
    "Line": "1149",
    "Routine": "scanner_yyerror"
}

 func GetQuestionDetail(c*gin.Context){
    id,err: = strconv.Atoi(c.Param("id"))
    if err!=nil{
        c. JSON (http.StatusBadRequest, err)
    }
    typeResult structure {
        models.Question
        models.Answer
        Id int64`json: "question_id" db: "id"`
        Title string `json: "title" db: "title" `
        PictureUrls string `json: "picture_urls" db: "picture_urls"`
        Description string `json: "description" db: "description" `
        Start time.Time`json: "start" db: "start"`
        PostUserID int64`json: "post_user_id" db: "user_id"`
        AnswerUserName string `json: "answer_user_name" db: "name"`
    }
    var result [ ] Result
    iferr:=config.DB.Table("question").Select("question.*, question.id AS question_id, trip.*, answer.trip_id, user.*").
        Joins("leftouter join answer on answer.question_id=question.id").
        Joins("join trip on trip.trip_id=answer.trip_id").
        Joins("join user on user.user_id=answer.user_id").
        Where("question.id=?", id).Scan(&result).Error;err!=nil{
        c. JSON (http.StatusBadRequest, err)
    } else{
        c. JSON (http.StatusOK, result)
    }
}

 --Table Definition ------------------------------------------------------------------------------------

US>CREATE TABLE "user"(
    user_id BIGSERIAL PRIMARY KEY,
    name text NOT NULL,
    about text NOT NULL,
    picture_url text NOT NULL,
    email text NOT NULL UNIQUE CHECK (email<>'::text),
    password text NOT NULL CHECK (password <>'::text),
    role smallint NOT NULL CHECK (role>0),
    location text,
    Born text NOT NULL,
    family text NOT NULL,
    skills text NOT NULL,
    background_url text NOT NULL,
    sns_url text,
    birth smallint,
    languages text NOT NULL,
    gender text,
    timezone text
);

-- Indices ----------------------------------------------------------------------

CREATE UNIQUE INDEX user_email_key ON "user" (email text_ops);
CREATE UNIQUE INDEX user_pkey ON "user" (user_id int8_ops);

 --Table Definition ------------------------------------------------------------------------------------

US>CREATE TABLE question(
    id SERIAL PRIMARY KEY,
    created_at timestamp with time zone,
    updated_at timestamp with time zone,
    deleted_at timestamp with time zone,
    user_id bigint,
    body text
);

-- Indices ----------------------------------------------------------------------

CREATE UNIQUE INDEX question_pkey ON question (id int4_ops);
CREATE INDEX idx_question_deleted_at ON question(deleted_at timestamptz_ops);

 --Table Definition ------------------------------------------------------------------------------------

US>CREATE TABLE answer(
    id SERIAL PRIMARY KEY,
    created_at timestamp with time zone,
    updated_at timestamp with time zone,
    deleted_at timestamp with time zone,
    question_id bigint,
    user_id bigint,
    trip_id bigint
);

-- Indices ----------------------------------------------------------------------

CREATE UNIQUE INDEX answer_pkey ON answer(id int4_ops);
CREATE INDEX idx_answer_deleted_at ON answer(deleted_at timestamptz_ops);

 --Table Definition ------------------------------------------------------------------------------------

US>CREATE TABLE trip(
    trip_id BIGSERIAL PRIMARY KEY,
    title text NOT NULL CHECK ( title <>'::text ),
    description text NOT NULL,
    notes text NOT NULL,
    min_participants integer NOT NULL,
    max_participants integer NOT NULL,
    price_per_person real NOT NULL CHECK (price_per_person>=0::double precision),
    current character variation (3) NOT NULL CHECK (currency::text<>'::text
    picture_urls text[] NOT NULL,
    user_id bigint NOT NULL REFERENCES "user" (user_id),
    public boolean NOT NULL,
    featured boolean NOT NULL,
    created_at timestamp with time zone NOT NULL,
    start timestamp with time zone,
    included bytea,
    with_who integer NOT NULL DEFAULT 0,
    Kind integer NOT NULL DEFAULT 0,
    language integer NOT NULL DEFAULT1,
    CONSTRAINT trip_check CHECK (min_participants>=0ANDmin_participants<=max_participants),
    CONSTRAINT trip_check1CHECK (max_participants>=0 AND max_participants>=min_participants)
);
COMMENT ON COLUMN trip.with_who IS'0:unselected, 1:couple/husband, 2:family, 3:one, 4:friend';
COMMENT ON COLUMN trip.kind IS '0: Not Selected, 1: Date, 2: Proposal, 3: honeymoon';
COMMENT ON COLUMN trip.language IS '1: Japanese 2: Non-Japanese';

-- Indices ----------------------------------------------------------------------

CREATE UNIQUE INDEX trip_pkey ON trip(trip_id int8_ops);

SELECT question.*, question.id AS question_id, trip.*, answer.trip_id, user.* FROM "left outer join answer on answer.question_id=question.id join tryp on tryp.trip.id=answer.trip_id.user.=on