instruction: points towards a specific user's specific tag.
response: SELECT t.TagName, SUM(a.Score) AS "sumscor", COUNT(a.Id) AS "#answers" FROM Posts AS a, Tags AS t JOIN Posts AS q ON a.ParentId = q.Id WHERE a.OwnerUserId = '##UserID##' AND a.PostTypeId = 2 AND a.DeletionDate IS NULL AND a.ClosedDate IS NULL AND q.DeletionDate IS NULL AND q.ClosedDate IS NULL AND a.CommunityOwnedDate IS NULL AND q.CommunityOwnedDate IS NULL AND q.Tags LIKE '%<' + t.TagName + '>%' GROUP BY t.TagName