SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 2)
    Identifier nn
    Identifier vv
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 2)
         SelectQuery (children 2)
          ExpressionList (children 2)
           Identifier name (alias nn)
           Identifier value (alias vv)
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             TableIdentifier data2013
         SelectQuery (children 2)
          ExpressionList (children 2)
           Identifier name (alias nn)
           Identifier value (alias vv)
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             TableIdentifier data2014
   ExpressionList (children 2)
    OrderByElement (children 1)
     Identifier nn
    OrderByElement (children 1)
     Identifier vv