ฤดูกาลใดมี .439 Win% ในทีมปี 1996-97?
What season had a .439 Win% in the 1996-97 Team?
df = pd.DataFrame(columns=['season', 'win_percentage', 'team'])
df[(df['win_percentage'] == '.439') & (df['team'] == '1996-97')]['season']