public static function AchievementExists($career_id, $achievement)
 {
     $careerHistoryAchievement = ManagerCareerHistoryAchievement::where('career_history_id', '=', $career_id)->where('achievement', '=', $achievement)->get();
     if (count($careerHistoryAchievement) > 0) {
         return $careerHistoryAchievement;
     }
     return false;
 }