ผู้เล่นคนใดมีคะแนนรวม 9 และฝ่ายตรงข้ามมีความผิด?
Which Player has a Total of 9, and an Opposition of offaly?
df = pd.DataFrame(columns=['player', 'total', 'opposition'])
df[(df['total'] == 9) & (df['opposition'] == "offaly")]['player']