คู่แข่งคือชินโง คุนิเอดะ ซาโตชิ ไซดะในปีไหน?
What year were the opponents Shingo Kunieda Satoshi Saida?
df = pd.DataFrame(columns=['year', 'opponents_in_final'])
df.loc[df['opponents_in_final'] == 'Shingo Kunieda Satoshi Saida', 'year'].min()