code: func DjangoContentTypeByAppLabelModel(db XODB, appLabel string, model string) (*DjangoContentType, error) {
  	var err error
  
  	// sql query
  	const sqlstr = `SELECT ` +
  		`id, app_label, model ` +
  		`FROM django.django_content_type ` +
  		`WHERE app_label = ? AND model = ?`
  
  	// run query
  	XOLog(sqlstr, appLabel, model)
  	dct := DjangoContentType{
  		_exists: true,
  	}
  
  	err = db.QueryRow(sqlstr, appLabel, model).Scan(&dct.ID, &dct.AppLabel, &dct.Model)
  	if err != nil {
  		return nil, err
  	}
  
  	return &dct, nil
  }
docs: // DjangoContentTypeByAppLabelModel retrieves a row from 'django.django_content_type' as a DjangoContentType.
  //
  // Generated from index 'django_content_type_app_label_76bd3d3b_uniq'.