Question: when did batman with michael keaton come out
[{'answer': '1989', 'provenance': [{'wikipedia_id': '4726', 'title': 'Batman (1989 film)', 'start_paragraph_id': 0, 'start_character': 8, 'end_paragraph_id': 0, 'end_character': 12, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '4726', 'title': 'Batman (1989 film)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 519, 'bleu_score': 0.8977339186566071, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3199707230730275462}, 'section': 'Section::::Abstract.'}]}]