[Zope] ZSQL question

Hi! I have problem. Could you help me? I have a ZSQLMethod, it contains "SELECT SUM(AMOUNT), NAME FROM LOG GROUP BY NAME" How can I reach the SUM value in dtml? <dtml-in SelectMethod> Name: <dtml-var NAME>, Summary of amount: <dtml-var ????> <dtml-in> I tried the : "SELECT SUM(AMOUNT) SUMMA, NAME FROM LOG GROUP BY NAME" <dtml-in SelectMethod> Name: <dtml-var NAME>, Summary of amount: <dtml-var SUMMA> <dtml-in> but it gives Error Type: KeyError Error Value: SZUMMA Thank you: Lajos Kerekes