Question: who played bass on sympathy for the devil
[{'answer': 'Keith Richards', 'provenance': [{'wikipedia_id': '836015', 'title': 'Sympathy for the Devil', 'start_paragraph_id': 1, 'start_character': 103, 'end_paragraph_id': 1, 'end_character': 117, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]