Query to find the pid of the concurrent job and kill it

SELECT a.inst_id, sid, b.spid

  FROM gv$session a, gv$process b, apps.fnd_concurrent_requests c

 WHERE     a.paddr = b.addr

       AND request_id = '31689665'

       AND a.inst_id = b.inst_id

       AND c.os_process_id = a.process;