Remove tags from this list by asking a second question, or giving these tags a tag excerpt.
Either way you'll get reps in the process!
Q&A for those using, extending or developing Emacs
select Tags.TagName, PostId as [Post Link], Posts.Tags, CreationDate
from (Tags join PostTags on Tags.Id = TagId) join Posts on PostId = Posts.Id
where Tags.Count = 1
and DateAdd(m, 3, CreationDate) < GetDate()
and ExcerptPostId is null -- add a tag excerpt to remove tags from this list!
order by CreationDate asc