Q&A for those using, extending or developing Emacs
SELECT distinct FORMAT (d.CreationDate, 'yyyy-MM')as [date2], sum(Score) as [ScoreSum], sum(ViewCount) as [ViewCountSum], count(distinct Id) as [NumIds], sum(AnswerCount) as [AnswerCountSum], sum(CommentCount) as [CommentCountSum], sum(FavoriteCount) as [FavoriteCountSum] FROM Posts d WHERE d.PostTypeId = 1 -- 1=Question and d.CreationDate >= '2018-01-01' and (d.tags like '%<symfony>%') group by FORMAT (d.CreationDate, 'yyyy-MM')