SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Asterisk
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier mt
   ExpressionList (children 2)
    OrderByElement (children 1)
     Identifier p
    OrderByElement (children 1)
     Identifier n
