Question: who did the music for the dark knight
[{'answer': 'Hans Zimmer', 'provenance': [{'wikipedia_id': '17176540', 'title': 'The Dark Knight (soundtrack)', 'start_paragraph_id': 1, 'start_character': 507, 'end_paragraph_id': 1, 'end_character': 518, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'James Newton Howard', 'provenance': [{'wikipedia_id': '17176540', 'title': 'The Dark Knight (soundtrack)', 'start_paragraph_id': 1, 'start_character': 523, 'end_paragraph_id': 1, 'end_character': 542, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '17176540', 'title': 'The Dark Knight (soundtrack)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 569, 'bleu_score': 0.9070995255074511, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4912129430794541221}, 'section': 'Section::::Abstract.'}]}]