Question: when was one flew over the cuckoo's nest filmed
[{'answer': '1975', 'provenance': [{'wikipedia_id': '21913863', 'title': "One Flew Over the Cuckoo's Nest (film)", 'start_paragraph_id': 1, 'start_character': 37, 'end_paragraph_id': 1, 'end_character': 41, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '21913863', 'title': "One Flew Over the Cuckoo's Nest (film)", 'start_paragraph_id': 22, 'start_character': 0, 'end_paragraph_id': 22, 'end_character': 178, 'bleu_score': 0.934334813046729, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 67946946370240965}, 'section': 'Section::::Production.:Filming.\n'}]}]