Q&A for professional and enthusiast programmers
SELECT Distinct u.Id AS [User Link], CONCAT('https://stackoverflow.com/users/', u.Id) AS [Profile Link], Count (u.DisplayName) FROM Users u, Posts p, Tags t, PostTags pt WHERE (u.Id=p.OwnerUserId) AND (pt.PostID=p.Id) AND (pt.TagId=t.Id) AND Upper(t.TagName) LIKE Upper('%##TagName##%') AND Upper(u.Location) LIKE Upper('%##Location##%') Group By u.Id