Posts whose titles are of the form "Tag: Blah blah blah", where "Tag" is already one of the tags on that post.
Q&A for people interested in conceptual questions about life and challenges in a world where "cognitive" functions can be mimicked in purely digital environment
SELECT Id AS [Post Link], Title FROM Posts WHERE Title LIKE '%:%' AND LEFT(Title, Charindex(':', Title) - 1) IN (SELECT Tags.TagName FROM PostTags INNER JOIN Tags ON PostTags.TagId = Tags.Id WHERE PostTags.PostId = Posts.Id) ORDER BY CreationDate DESC