Question: when did fingerprint technology first get adopted by scotland yard
[{'answer': '1901', 'provenance': [{'wikipedia_id': '1830364', 'title': 'Henry Classification System', 'start_paragraph_id': 9, 'start_character': 19, 'end_paragraph_id': 9, 'end_character': 23, 'bleu_score': 1.0, 'section': 'Section::::History and development.\n'}]}]