List Reponsibilities for an user

SELECT fu.user_name,frt.RESPONSIBILITY_NAME, fu.user_id,furg.responsibility_id
FROM
fnd_user_resp_groups furg,
FND_RESPONSIBILITY fr,
fnd_responsibility_tl frt,
fnd_user fu
WHERE fu.user_name =upper('ptian')
AND   fu.user_id = furg.user_id
AND   furg.responsibility_id = fr.RESPONSIBILITY_ID
AND   frt.responsibility_id = fr.RESPONSIBILITY_ID
ORDER BY 1