Question: when did the movie saturday night fever come out
[{'answer': '1977', 'provenance': [{'wikipedia_id': '54175', 'title': 'Saturday Night Fever', 'start_paragraph_id': 1, 'start_character': 26, 'end_paragraph_id': 1, 'end_character': 30, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '54175', 'title': 'Saturday Night Fever', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 668, 'bleu_score': 0.9598415906376221, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16868978588555002397}, 'section': 'Section::::Abstract.'}]}]