นักดนตรีนามสกุล "Heilo" ใช้เครื่องดนตรีอะไรในเพลง "Badlands"
What instrument did the musician with last name "Heilo" use in the song "Badlands"?
df_Songs = pd.DataFrame(columns=['SongId', 'songid', 'title']); df_Performance = pd.DataFrame(columns=['bandmate', 'SongId']); df_Band = pd.DataFrame(columns=['id', 'lastname']); df_Instruments = pd.DataFrame(columns=['instrument', 'songid', 'bandmateid'])
df_Instruments[(df_Instruments['bandmateid'].isin(df_Band[df_Band['lastname'] == 'Heilo']['id'])) & (df_Instruments['songid'].isin(df_Songs[df_Songs['title'] == 'Badlands']['songid']))]['instrument']