Question: who did bradley whitfird play in the post
[{'answer': 'Arthur Parsons', 'provenance': [{'wikipedia_id': '691771', 'title': 'Bradley Whitford', 'start_paragraph_id': 2, 'start_character': 275, 'end_paragraph_id': 2, 'end_character': 289, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '691771', 'title': 'Bradley Whitford', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 351, 'bleu_score': 0.931236091932065, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13896861662973319468}, 'section': 'Section::::Abstract.'}]}]