ใครมีเป้าหมายน้อยกว่า 4 ในช่วงปี 1996–13?
Who had fewer goals than 4 during the years of 1996–13?
df = pd.DataFrame(columns=['goals', 'ranking', 'years'])
df[(df['ranking'] < 4) & (df['years'] == '1996–13')]['goals'].min()