Question: who played macgyver in the original tv show
[{'answer': 'Richard Dean Anderson', 'provenance': [{'wikipedia_id': '1316481', 'title': 'MacGyver', 'start_paragraph_id': 1, 'start_character': 109, 'end_paragraph_id': 1, 'end_character': 130, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]