Question: who played jimmy hoffa in the movie hoffa
[{'answer': 'Jack Nicholson', 'provenance': [{'wikipedia_id': '444245', 'title': 'Hoffa', 'start_paragraph_id': 1, 'start_character': 246, 'end_paragraph_id': 1, 'end_character': 260, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '444245', 'title': 'Hoffa', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 574, 'bleu_score': 0.9511135937842321, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8801133349204101942}, 'section': 'Section::::Abstract.'}]}]