SELECT NVL(Max(erh.processstart), NULL) last_run_date
FROM ess_request_history erh,
ess_request_property erp1
WHERE erh.executable_status = 'SUCCEEDED'
AND erp1.requestid = erh.requestid
--AND erp1.name = 'submit.argument1'
AND erh.DEFINITION =
'JobDefinition://oracle/apps/ess/custom/scm/sourcing/XXPurchaseAgreementNumbers_Sirion'