Count and Group By CF

We use a CF called 'Community Bug' to track bugzilla bug numbers associated
with customer tickets. It would be really useful to know which values of
CF.{Community Bug} occur most often.

If you'll pardon a mix of SQL and query builder syntax, I'm looking to do
something like this:

SELECT COUNT(*), CF.{Community Bug}
FROM CF
GROUP BY CF.{Community Bug}
ORDER BY COUNT(*)

I'm well aware that query builder doesn't work like this, but I'm wondering
if there's a way to do something like this.

I'm sure that I could do this by querying the database directly, but I'd
prefer to do it the RT way if there is one.

Thanks!

--Barton

---------
RT 4.4 and RTIR training sessions, and a new workshop day! https://bestpractical.com/training
* Los Angeles - January 9-11 2017