Question: when did the first video recorder come out
[{'answer': '1956', 'provenance': [{'wikipedia_id': '23442715', 'title': 'Videocassette recorder', 'start_paragraph_id': 6, 'start_character': 108, 'end_paragraph_id': 6, 'end_character': 112, 'bleu_score': 1.0, 'section': 'Section::::History.:Early machines and formats.\n'}]}, {'provenance': [{'wikipedia_id': '23442715', 'title': 'Videocassette recorder', 'start_paragraph_id': 6, 'start_character': 0, 'end_paragraph_id': 6, 'end_character': 351, 'bleu_score': 0.7875783165819791, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5862099887544290365}, 'section': 'Section::::History.:Early machines and formats.\n'}]}]