Q&A for SharePoint enthusiasts
SELECT COUNT(*) FROM Posts Q JOIN Posts A ON A.ParentId = Q.Id WHERE Q.PostTypeId = 1 -- Question AND A.PostTypeId = 2 -- Answer AND DATEDIFF(day, Q.CreationDate, A.CreationDate) > 1 AND A.Id = ( SELECT MIN(A1.Id) FROM Posts A1 WHERE A1.ParentId = Q.Id AND A1.PostTypeId = 2 )