text: SELECT 
      birthday, gender
  FROM
      "user"
  WHERE
      birthday >= '2006-01-01'
  ORDER BY
      birthday
  LIMIT
      5;
  /*
    birthday  | gender 
  ------------+--------
   2006-03-24 | 2
   2006-03-31 | 1
   2006-09-16 | 2
   2007-05-13 | 2
   2007-05-18 | 2
  (5 rows)
  */