Question: who wrote the theme music to perry mason
[{'answer': 'Frederick Steiner', 'provenance': [{'wikipedia_id': '5196951', 'title': 'Fred Steiner', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 17, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '5196951', 'title': 'Fred Steiner', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 781, 'bleu_score': 0.7011475852711531, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14765301569807607826}, 'section': 'Section::::Abstract.'}]}]