Which Roles/Permission Lists/Process Groups grant access to a Process Definition?

SELECT DISTINCT
C.ROLENAME,
A.CLASSID,
A.PRCSGRP,
B.PRCSTYPE
FROM PSAUTHPRCS A,
     PS_PRCSDEFNGRP B,
     PSROLECLASS C
WHERE A.PRCSGRP = B.PRCSGRP
  AND A.CLASSID = C.CLASSID
  AND B.PRCSNAME = 'DDDAUDIT'   -> Replace Process Definition Name Here