Question: who starred in one flew over the cuckoos nest
[{'answer': 'Jack Nicholson', 'provenance': [{'wikipedia_id': '21913863', 'title': "One Flew Over the Cuckoo's Nest (film)", 'start_paragraph_id': 1, 'start_character': 243, 'end_paragraph_id': 1, 'end_character': 257, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Louise Fletcher', 'provenance': [{'wikipedia_id': '21913863', 'title': "One Flew Over the Cuckoo's Nest (film)", 'start_paragraph_id': 1, 'start_character': 351, 'end_paragraph_id': 1, 'end_character': 366, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'William Redfield', 'provenance': [{'wikipedia_id': '21913863', 'title': "One Flew Over the Cuckoo's Nest (film)", 'start_paragraph_id': 1, 'start_character': 382, 'end_paragraph_id': 1, 'end_character': 398, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]