Q&A for those involved in the field of teaching Computer Science
select t.TagName, count(distinct p.id) as popularity from Posts p, Tags t where p.Tags like '%<'+t.TagName+'>%' and p.Score > 100 and p.PostTypeId=1 and t.Count > 100000 and p.CreationDate >'2018-01-01 00:00:00' group by t.TagName order by popularity desc