Script to get responsibilities for a user

SELECT fu.user_name,
frt.responsibility_name,
furgd.start_date,
furgd.end_date
FROM fnd_user fu,
fnd_user_resp_groups_direct furgd,
fnd_responsibility_tl frt
WHERE fu.user_id = furgd.user_id
AND FURGD.RESPONSIBILITY_ID = FRT.RESPONSIBILITY_ID
AND UPPER (fu.user_name) = UPPER ($USERNAME)