SQL To find Who Modified PeopleCode

The below SQL helps to identify who modified PeopleCode.

SELECT objectvalue1 record_name, objectvalue2 field_name,
       objectvalue3 peoplecode_event, lastupddttm, lastupdoprid
  FROM pspcmprog
WHERE objectvalue1 = :record_name
   AND objectvalue2 = :field_name
   AND UPPER (objectvalue3) = UPPER (:peoplecode_event);