อะไรคือผลต่างประตูเฉลี่ยของ Club Cultural Leonesa ซึ่งมีมากกว่า 27 แต้มและแพ้น้อยกว่า 9?
What is the average goal difference of club cultural leonesa, which has more than 27 points and less than 9 losses?
df = pd.DataFrame(columns=['goal_difference', 'club', 'points', 'losses'])
df.loc[(df['points'] > 27) & (df['losses'] < 9) & (df['club'] == "cultural leonesa"), 'goal_difference'].mean()