Question: who played piano on oh you pretty things
[{'answer': 'Bowie', 'provenance': [{'wikipedia_id': '4072862', 'title': 'Oh! You Pretty Things', 'start_paragraph_id': 1, 'start_character': 51, 'end_paragraph_id': 1, 'end_character': 56, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '4072862', 'title': 'Oh! You Pretty Things', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 451, 'bleu_score': 0.9768747032089851, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14896379052081336233}, 'section': 'Section::::Abstract.'}]}]