SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 2)
    Identifier value.value_1
    Identifier value.value_2
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 1)
          ExpressionList (children 1)
           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)\'
