Q&A about the site for expert genealogists and people interested in genealogy or family history
select avg(usr.Reputation) from Posts post join Users usr on usr.id=post.OwnerUserId join PostTags pt on pt.PostId=post.id join Tags tag on tag.id=pt.TagId where {fn NOW()} - post.CreationDate < 30 and post.PostTypeId=1 and post.AnswerCount > 3 and tag.TagName='homework'