Question: when did the first alien film come out
[{'answer': '1979', 'provenance': [{'wikipedia_id': '23487440', 'title': 'Alien (film)', 'start_paragraph_id': 1, 'start_character': 11, 'end_paragraph_id': 1, 'end_character': 15, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '23487440', 'title': 'Alien (film)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 828, 'bleu_score': 0.555279280087645, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15452575662633119823}, 'section': 'Section::::Abstract.'}]}]