instruction: Jon Skeet answers per month.
response: WITH answersWITHMonth AS (SELECT p.OwnerUserId, DATEADD(month, DATEDIFF(month, 0, creationDate), 0) AS month FROM Posts AS p WHERE PostTypeId = 2) SELECT a.month, COUNT(*) FROM answersWITHMonth AS a INNER JOIN Users AS u ON u.Id = a.OwnerUserId WHERE u.Id = 22656 GROUP BY a.month ORDER BY a.month