public static function getKi4($department = false)
 {
     if (!$department) {
         return false;
     }
     if (!$department->getId()) {
         return false;
     }
     $criteria = new Criteria();
     $criteria->add(GradeConversionTemplatePeer::CUR13_KI_ID, ScoreRule::FOUR);
     $criteria->add(GradeConversionTemplatePeer::DEPARTMENT_ID, $department->getId(), Criteria::EQUAL);
     return GradeConversionTemplatePeer::doSelectOne($criteria);
 }