Question: when did the first star wats movie come out
[{'answer': '1977', 'provenance': [{'wikipedia_id': '52549', 'title': 'Star Wars (film)', 'start_paragraph_id': 1, 'start_character': 66, 'end_paragraph_id': 1, 'end_character': 70, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '52549', 'title': 'Star Wars (film)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 556, 'bleu_score': 0.5435697164305481, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15736303745064574573}, 'section': 'Section::::Abstract.'}]}]