Q&A for people who build and repair bicycles, people who train cycling, or commute on bicycles
select top 10 owneruserid, count(*) as post_comm_count from posts join comments on owneruserid = userid where posts.creationdate between '2019-9-1' and getdate() and comments.creationdate between '2019-9-1' and getdate() group by owneruserid order by post_comm_count desc;