เสาต่ำสุดของทีม comtec racing ซึ่งมีตำแหน่ง nc คืออะไร?
What is the lowest poles of team comtec racing, which has a nc position?
df = pd.DataFrame(columns=['poles', 'position', 'team'])
df.loc[(df['team'] == 'comtec racing') & (df['position'] == 'nc'), 'poles'].min()