Does not count self-answers. Shows users with at least @MinAnswers answers.
Q&A for administrators, end users, developers and designers for Craft CMS
(select u.id, u.displayname, count(p.posttypeid) as answ,count(p.AcceptedAnswerId) as goodansw from posts as p join users u on u.id=p.OwnerUserId group by u.id, u.displayname) --having p.posttypeid=2 and count(p.posttypeid>20))