Question: when did fingerprints start being used by the police
[{'answer': '1892', 'provenance': [{'wikipedia_id': '84777', 'title': 'Fingerprint', 'start_paragraph_id': 67, 'start_character': 592, 'end_paragraph_id': 67, 'end_character': 596, 'bleu_score': 1.0, 'section': 'Section::::History.:19th century.\n'}]}, {'provenance': [{'wikipedia_id': '84777', 'title': 'Fingerprint', 'start_paragraph_id': 67, 'start_character': 456, 'end_paragraph_id': 67, 'end_character': 1380, 'bleu_score': 0.6871956762736231, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6454319766662152532}, 'section': 'Section::::History.:19th century.\n'}]}]