Question: the earliest police in england worked only at night and were known as
[{'answer': 'Night Watch', 'provenance': [{'wikipedia_id': '22753471', 'title': 'History of law enforcement in the United Kingdom', 'start_paragraph_id': 6, 'start_character': 68, 'end_paragraph_id': 6, 'end_character': 79, 'bleu_score': 1.0, 'section': 'Section::::History.:Watchmen and Constables.\n'}]}, {'provenance': [{'wikipedia_id': '22753471', 'title': 'History of law enforcement in the United Kingdom', 'start_paragraph_id': 6, 'start_character': 0, 'end_paragraph_id': 6, 'end_character': 371, 'bleu_score': 0.9684940092844061, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4236610806737926480}, 'section': 'Section::::History.:Watchmen and Constables.\n'}]}]