Question: when did hand foot and mouth disease begin
[{'answer': '1957', 'provenance': [{'wikipedia_id': '172321', 'title': 'Hand, foot, and mouth disease', 'start_paragraph_id': 41, 'start_character': 72, 'end_paragraph_id': 41, 'end_character': 76, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '172321', 'title': 'Hand, foot, and mouth disease', 'start_paragraph_id': 41, 'start_character': 0, 'end_paragraph_id': 41, 'end_character': 189, 'bleu_score': 0.9383861709333501, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7986212238206705928}, 'section': 'Section::::History.\n'}]}]