SelectWithUnionQuery (children 2)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 3)
    Function CAST (alias абвгдежзийклмнопрстуф) (children 1)
     ExpressionList (children 2)
      Literal Tuple_(UInt64_1, \'Hello\')
      Literal \'Tuple(a UInt64, b String)\'
    Literal \'Hello\' (alias x)
    Literal \'World\' (alias абвгдежзийклмнопрстуфхцчшщъыьэюя)
 Identifier PrettySpace
