Question: who wrote the soundtrack for dances with wolves
[{'answer': 'John Barry', 'provenance': [{'wikipedia_id': '10525164', 'title': 'Dances with Wolves (soundtrack)', 'start_paragraph_id': 1, 'start_character': 231, 'end_paragraph_id': 1, 'end_character': 241, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '10525164', 'title': 'Dances with Wolves (soundtrack)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 241, 'bleu_score': 0.948006874591591, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7717532268913055306}, 'section': 'Section::::Abstract.'}]}]