SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 3)
    Function CAST (alias value) (children 1)
     ExpressionList (children 2)
      Function tuple (children 1)
       ExpressionList (children 2)
        Literal UInt64_1
        Literal UInt64_2
      Literal \'Tuple(value_1 UInt64, value_2 UInt64)\'
    Identifier value.value_1
    Identifier value.value_2
