Question: what is the oldest horse race in england
[{'answer': 'Kiplingcotes Derby', 'provenance': [{'wikipedia_id': '74724', 'title': 'Horse racing in Great Britain', 'start_paragraph_id': 19, 'start_character': 298, 'end_paragraph_id': 19, 'end_character': 316, 'bleu_score': 1.0, 'section': 'Section::::History.:16th Century.\n'}]}, {'provenance': [{'wikipedia_id': '74724', 'title': 'Horse racing in Great Britain', 'start_paragraph_id': 19, 'start_character': 0, 'end_paragraph_id': 19, 'end_character': 594, 'bleu_score': 0.9812185674664711, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16973950062165861288}, 'section': 'Section::::History.:16th Century.\n'}]}]