คนขับที่มีแชสซีของ t45 t44 และรอบ 7 คืออะไร?
What was the driver with chassis of t45 t44 and rounds of 7?
df = pd.DataFrame(columns=['driver', 'chassis', 'rounds'])
df.loc[(df['chassis'] == "t45 t44") & (df['rounds'] == "7"), 'driver'].values[0]