A query to help look for potentially useless questions--closed, many answers, and either have a necropost answer or were closed rapidly. Most of this list probably warrants locking and/or deletion.
Q&A about the site for engineers, scientists, programmers, and computing professionals interested in quantum computing
select p.id as [Post Link], p.score as [Score], p.viewcount as [Views], p.answercount as [Answers], p.creationDate as [Created On], p.lastactivitydate as [Last Active Date] from posts p where p.closeddate is not null -- closed questions and p.answercount > 12 -- with a probably unreasonable number of answers and p.score > 5 -- that got at least a few upvotes and ( datediff(day, p.lastactivitydate, p.creationdate) > 28 -- had answers weeks later or datediff(hour, p.closeddate, p.creationdate) < 36 ) -- or was closed promptly and not exists (select * from posthistory ph where ph.postid = p.id and ph.posthistorytypeid = 14 ) -- ignore locked posts