instruction: Posts with the most longwinded upvoted Comments.
response: SELECT DISTINCT P.Id AS "post_link" FROM Comments AS C, Users AS U, Posts AS P, Votes AS V, VoteTypes AS Vt WHERE Vt.Id = V.VoteTypeId AND P.Id = C.PostId AND V.PostId = C.PostId AND U.Id = C.UserId AND LENGTH(C.Text) > 599 AND Vt.Id = 2 AND C.Score > 20 GROUP BY P.Id