instruction: Downvotes per question by day.
response: SELECT Posts.Id, Score, VoteTypeId, COUNT(VoteTypeId), OwnerUserId, Title FROM Posts INNER JOIN Votes ON Posts.Id = Votes.PostId WHERE Posts.CreationDate BETWEEN '2012-06-20' AND '2012-06-21' AND PostTypeId = 1 GROUP BY Posts.Id, Title, OwnerUserId, OwnerDisplayName, Score, VoteTypeId HAVING VoteTypeId = 3 ORDER BY Posts.Id, VoteTypeId