Find users with particular resposiblity in R12 oracle apps

from DB

SELECT fu.user_name,fu.description,fu.creation_date,fu.start_date,fu.end_date,fu.last_logon_date,fu.email_address
FROM apps.fnd_user_resp_groups_direct furgd, apps.fnd_responsibility_vl frvl, apps.fnd_user fu
WHERE furgd.responsibility_id = frvl.responsibility_id
AND fu.user_id = furgd.user_id
AND(to_char(furgd.end_date) is null
OR furgd.end_date > sysdate)
AND frvl.end_date is null
AND frvl.responsibility_name in ( 'System Administrator', 'System Administration');
/