Find answers from low-rep users who've included a link same as in their profile. These are short answers (length under 200 chars).
Q&A for those involved in the field of teaching Computer Science
select top 400 'http://stackoverflow.com/questions/' + CAST(ParentID As varchar(500)) as URL, body from posts as p inner join users as u on u.id = p.owneruserid where p.posttypeid = 2 and u.reputation <= 50 and len(p.body) <= 200 and charindex( u.websiteurl, p.body) >0 order by p.creationdate desc