SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function toInt16 (children 1)
     ExpressionList (children 1)
      Function toRelativeWeekNum (children 1)
       ExpressionList (children 1)
        Function toDateTime64 (children 1)
         ExpressionList (children 3)
          Literal \'1960-11-30 18:00:11.999\'
          Literal UInt64_3
          Literal \'UTC\'