Question: when was the first case of schizophrenia discovered
[{'answer': '1809', 'provenance': [{'wikipedia_id': '25422045', 'title': 'History of schizophrenia', 'start_paragraph_id': 7, 'start_character': 16, 'end_paragraph_id': 7, 'end_character': 20, 'bleu_score': 1.0, 'section': 'Section::::Influential earlier concepts.\n'}]}, {'provenance': [{'wikipedia_id': '25422045', 'title': 'History of schizophrenia', 'start_paragraph_id': 7, 'start_character': 0, 'end_paragraph_id': 7, 'end_character': 2537, 'bleu_score': 0.9949937028692241, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12407108513713288854}, 'section': 'Section::::Influential earlier concepts.\n'}]}]