เสาใดมีฤดูกาล 2009 และคะแนนนักขับทดสอบ?
Which pole has a Season of 2009 and points of test driver?
df = pd.DataFrame(columns = ['poles', 'season', 'points'])
df.loc[(df['season'] == 2009) & (df['points'] == 'test driver'), 'poles']