SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function minus (children 1)
     ExpressionList (children 2)
      Function toRelativeWeekNum (children 1)
       ExpressionList (children 2)
        Function toDateTime (children 1)
         ExpressionList (children 1)
          Literal UInt64_1412106600
        Literal \'Europe/Paris\'
      Function toRelativeWeekNum (children 1)
       ExpressionList (children 2)
        Function toDateTime (children 1)
         ExpressionList (children 1)
          Literal UInt64_0
        Literal \'Europe/Paris\'