{4} 着手中の未解決チケット (担当者別)

InternalError: (1052, u"Column 'description' in field list is ambiguous")

SELECT COUNT(*) FROM (

SELECT p.value AS __color__,
   owner AS __group__,
   id AS ticket, summary AS 概要, component AS コンポーネント,
   milestone AS マイルストーン, t.type AS 分類, time AS 登録日付,
   changetime AS _更新日付, description AS _説明,
   reporter AS _報告者
  FROM ticket t
  LEFT JOIN enum p ON p.name = t.priority AND p.type = 'priority'
  WHERE status = 'accepted'
  ORDER BY owner, CAST(p.value AS signed), t.type, time

) AS tab