Q&A for those using, extending or developing Emacs
select cast(year(p.creationdate) as varchar) + '-' + cast(month(p.creationdate) as varchar) as ym, count(*) from posts p inner join users u on p.owneruserid = u.id where p.posttypeid = 1 and p.tags like '%python%' and lower(u.location) like '%italy%' group by cast(year(p.creationdate) as varchar) + '-' + cast(month(p.creationdate) as varchar);