Question: when did the fist star wars movie come out
[{'answer': 'Released in May 1977', 'provenance': [{'wikipedia_id': '18617682', 'title': 'Mark Hamill', 'start_paragraph_id': 10, 'start_character': 0, 'end_paragraph_id': 10, 'end_character': 20, 'bleu_score': 1.0, 'section': 'Section::::Career.:"Star Wars".\n'}]}, {'provenance': [{'wikipedia_id': '18617682', 'title': 'Mark Hamill', 'start_paragraph_id': 10, 'start_character': 0, 'end_paragraph_id': 10, 'end_character': 625, 'bleu_score': 0.9812185674664711, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12889784728615471430}, 'section': 'Section::::Career.:"Star Wars".\n'}]}]