เดทไหนมีคู่ต่อสู้ของ@กะลาสีเรือและแพ้เฮิรนร็อกเดซ (0-1)?
Which Date has an Opponent of @ mariners, and a Loss of hernández (0-1)?
df = pd.DataFrame(columns=['date', 'opponent', 'loss']);
df.loc[(df['opponent'] == '@ mariners') & (df['loss'] == 'hernández (0-1)'), 'date']