Database: codebase_community
Question: Which user added a bounty amount of 50 to the post title mentioning variance?
SQL: SELECT T3.DisplayName, T1.Title FROM posts AS T1 INNER JOIN votes AS T2 ON T1.Id = T2.PostId INNER JOIN users AS T3 ON T3.Id = T2.UserId WHERE T2.BountyAmount = 50 AND T1.Title LIKE '%variance%'