หลาใดมีค่าเฉลี่ย 11.8 และผู้เล่นของ brent celek และลองใหญ่กว่า 44
Which Yards have an avg of 11.8, and a Player of brent celek, and a Long larger than 44?
df = pd.DataFrame(columns=['yards', 'long', 'avg', 'player'])
df[(df['avg'] == '11.8') & (df['player'] == 'brent celek') & (df['long'] > '44')]['yards'].mean()