ทีมเอลฟ์ไทเรลล์มี 34 แต้มในปีใด
What year did Elf Team Tyrrell have 34 points?
df = pd.DataFrame(columns=['year', 'entrant', 'points'])
df[(df['entrant'] == 'elf team tyrrell') & (df['points'] == '34')]['year'].mean()