Question: who did the theme song for power rangers
[{'answer': 'Ron Wasserman', 'provenance': [{'wikipedia_id': '13386788', 'title': 'Go Go Power Rangers', 'start_paragraph_id': 1, 'start_character': 37, 'end_paragraph_id': 1, 'end_character': 50, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '13386788', 'title': 'Go Go Power Rangers', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 688, 'bleu_score': 0.9625181433061291, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6075082014109108132}, 'section': 'Section::::Abstract.'}]}]