Вопросы и ответы о сайте для программистов
SELECT top 50 OwnerUserId as [User Link], COUNT(*) as Answers FROM Posts WHERE CreationDate between ##StartDate:string?2018-01-01## and ##EndDate:string?2018-04-01## AND PostTypeId = 2 -- 1 for questions, 2 for answers GROUP BY OwnerUserId ORDER BY Answers DESC