Q&A for people who like playing board games, designing board games or modifying the rules of existing board games
join Posts on Users.ID = Posts.OwnerUserId
join PostTags on PostTags.PostId =Posts.Id
join Tags on Tags.Id = PostTags.TagId
where datalength(AboutMe) > 0
and datalength(Posts.Tags) > 0
and upper(AboutMe) like '%PROFESSIONAL%'
group by Tags.TagName