Question: when was the revolver with interchangeable parts invented
[{'answer': '1835', 'provenance': [{'wikipedia_id': '188548', 'title': 'Samuel Colt', 'start_paragraph_id': 4, 'start_character': 29, 'end_paragraph_id': 4, 'end_character': 33, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '188548', 'title': 'Samuel Colt', 'start_paragraph_id': 9, 'start_character': 0, 'end_paragraph_id': 9, 'end_character': 1055, 'bleu_score': 0.917767508243686, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 632571132704433024}, 'section': 'Section::::Early years (1814–1835).\n'}]}]