instruction: Top users by median score.
response: SELECT Id, DisplayName, ((SELECT MAX(Score) FROM (SELECT PERCENT AS Score FROM Posts WHERE OwnerUserId = Users.Id ORDER BY Score LIMIT 50) AS BottomHalf) + (SELECT MIN(Score) FROM (SELECT PERCENT AS Score FROM Posts WHERE OwnerUserId = Users.Id ORDER BY Score DESC LIMIT 50) AS TopHalf)) / 2 AS MedianScore FROM Users WHERE (SELECT COUNT(*) FROM Posts WHERE OwnerUserId = Users.Id) > 10 ORDER BY MedianScore DESC