Q&A for linguists, teachers and students of the Korean language
DECLARE @Tag NVARCHAR(35) = LOWER('python'); -- specify the tag SELECT TOP 100 Users.Id AS UserId, Users.DisplayName, COUNT(*) AS UnansweredQuestionsCount FROM Users JOIN Posts AS Questions ON Users.Id = Questions.OwnerUserId JOIN PostTags ON Questions.Id = PostTags.PostId JOIN Tags ON PostTags.TagId = Tags.Id WHERE Tags.TagName = @Tag AND Questions.PostTypeId = 1 -- Questions only AND Questions.AcceptedAnswerId IS NULL -- Unanswered questions only AND Questions.CreationDate >= DATEADD(month, -6, GETDATE()) -- Within the last six months GROUP BY Users.Id, Users.DisplayName ORDER BY UnansweredQuestionsCount DESC