SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function in (children 1)
     ExpressionList (children 2)
      Literal Tuple_(Tuple_(UInt64_1, UInt64_2), Tuple_(UInt64_3, UInt64_4))
      Literal Tuple_(Tuple_(Tuple_(UInt64_1, UInt64_2), Tuple_(UInt64_3, UInt64_4)), Tuple_(Tuple_(UInt64_5, UInt64_6), Tuple_(UInt64_7, UInt64_8)))