Question: who is the actor that played perry mason
[{'answer': 'Raymond William Stacy Burr', 'provenance': [{'wikipedia_id': '62123', 'title': 'Raymond Burr', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 26, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '62123', 'title': 'Raymond Burr', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 305, 'bleu_score': 0.8832000938217641, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9028261158351620669}, 'section': 'Section::::Abstract.'}]}]