ผู้เล่น Leland Gibson มีเงิน 400 จากประเทศใด?
What Country is Player Leland Gibson with Money of 400 from?
df = pd.DataFrame(columns=['country', 'money__$_', 'player'])
df.loc[(df['money__$_'] == '400') & (df['player'] == 'leland gibson'), 'country']