Question: when was the first semi automatic pistol invented
[{'answer': '1892', 'provenance': [{'wikipedia_id': '460100', 'title': 'Semi-automatic pistol', 'start_paragraph_id': 26, 'start_character': 86, 'end_paragraph_id': 26, 'end_character': 90, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}]