 มีสำนักงานกี่แห่งที่มีแผนกเป็นแผนกยุติธรรม kagawaran ng katarungan
 how many office with department being department of justice kagawaran ng katarungan
df = pd.DataFrame(columns=['office', 'department'])
df[df['department'] == 'department of Justice Kagawaran ng Katarungan']['office'].count()