Question: when did the first star war movie come out
[{'answer': '1977 movie'}, {'provenance': [{'wikipedia_id': '26678', 'title': 'Star Wars', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 185, 'bleu_score': 0.5350934112030971, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12304758001359746039}, 'section': 'Section::::Abstract.'}]}]