แมตช์ที่แพ้ไปไม่ถึง 3 นัดคือช่วงไหน?
What was the time for the match that resulted in a loss in less than 3 rounds?
df = pd.DataFrame(columns=['time', 'res', 'round'])
df[df['res'] == "loss"][df['round'] < 3]['time']