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Q&A for professional and enthusiast programmers

select
      (datepart(yy, p.creationdate) + (datepart(wk, p.creationdate)-1) / 52.0) as YR_WK
    , u.id as UID
    , count (*) as NumAnswers
  from users u
  inner join posts p on
        p.owneruserid = u.id
    and p.posttypeid = 2
    and p.score > 0
    and datepart(yy, p.creationdate)>=2016
  inner join votes v on
        v.PostId = p.Id
  group by 
     (datepart(yy, p.creationdate) + (datepart(wk, p.creationdate)-1) / 52.0)
    , u.id

fork query

created feb 5 16 Deer Hunter