[Zope] What's wrong with this snippet?

hi all, i tried and searched to find the error but i couldn't solve it. Could anyone help me with this code: <dtml-in "GenericSQL(SQLStatement='SELECT ns.ns_ref,ns.ns_entrydate,ns.ns_status, ns.ns_name, ns.ns_adresse, ns.ns_location FROM noteservice ns WHERE (ns.ns_entrydate='%s/%s/%s' % (sentrydate[6:],sentrydate[3:5],sentrydate[:2])) ORDER BY ns.ns_entrydate desc')" size=10 start=query_start> Where i can find infos about sql calls with dtml-in? $Reagrds MM