Question: who played jfk in the movie 13 days
[{'answer': 'Bruce Greenwood', 'provenance': [{'wikipedia_id': '1129041', 'title': 'Thirteen Days (film)', 'start_paragraph_id': 1, 'start_character': 279, 'end_paragraph_id': 1, 'end_character': 294, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1129041', 'title': 'Thirteen Days (film)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 440, 'bleu_score': 0.8635090131757791, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14248718150148476027}, 'section': 'Section::::Abstract.'}]}]