Question: who wrote the music peter and the wolf
[{'answer': 'Sergei Prokofiev', 'provenance': [{'wikipedia_id': '365850', 'title': 'Peter and the Wolf', 'start_paragraph_id': 1, 'start_character': 105, 'end_paragraph_id': 1, 'end_character': 121, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '365850', 'title': 'Peter and the Wolf', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 370, 'bleu_score': 0.788619956642097, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12990679618227725358}, 'section': 'Section::::Abstract.'}]}]