จำนวนตำแหน่งเมื่อทีมเป็นรถไฟสโลเปาโลและต่อน้อยกว่า 46 คือเท่าไร?
What is the number of Position when the team was são paulo railway and the against is less than 46?
df = pd.DataFrame(columns=['Position', 'Team', 'Against'])
df.loc[(df['Team'] == 'são paulo railway') & (df['Against'] < 46)]['Position'].count()