Question: who played drums on whiter shade of pale
[{'answer': 'Bill Eyden', 'provenance': [{'wikipedia_id': '1369118', 'title': 'A Whiter Shade of Pale', 'start_paragraph_id': 16, 'start_character': 207, 'end_paragraph_id': 16, 'end_character': 217, 'bleu_score': 1.0, 'section': 'Section::::Recording.\n'}]}]