ในปี 1985 ผู้เข้าร่วมที่ใช้แชสซี March 85B ได้รับคะแนนเท่าใด
In 1985, how many points were earned by the entrant with the March 85B chassis?
df = pd.DataFrame(columns=['points', 'year', 'chassis'])
df[(df['year'] == '1985') & (df['chassis'] == 'march 85b')]['points'].max()