เหตุใดหัวหน้าผู้พิพากษา พ.ศ. 2514-2520 จึงถูกถอดถอน?
What is the reason the Chief Judge of 1971–1977 was terminated?
df = pd.DataFrame(columns=['reason_for_termination', 'chief_judge'])
df.loc[df['chief_judge'] == '1971–1977', 'reason_for_termination']