Q&A about the site for practitioners of the art and science of signal, image and video processing
SELECT q.OwnerUserId, a.OwnerUserId, COUNT(*) AS count FROM Posts q INNER JOIN Posts a ON q.AcceptedAnswerId = a.Id WHERE q.ClosedDate is null and q.PostTypeId = 1 and q.Score > 200 and q.AcceptedAnswerId is not null GROUP BY q.OwnerUserId, a.OwnerUserId ORDER BY count DESC