instruction: 5 in 30 minutes or less.
response: SELECT q.Id AS "post_link", q.CreationDate, q.OwnerUserId AS "user_link", COUNT(a.Id) AS "answersin30" FROM Posts AS q INNER JOIN Posts AS a ON q.Id = a.ParentId AND a.PostTypeId = 2 AND CAST((JULIANDAY(CreationDate) - JULIANDAY(q.CreationDate)) * 1440.0 AS INT) <= 60 WHERE q.PostTypeId = 1 AND q.ClosedDate IS NULL AND q.CreationDate > '1 Jan 2014' GROUP BY q.Id, q.CreationDate, q.OwnerUserId HAVING COUNT(a.Id) >= 5 ORDER BY q.CreationDate