Question: how long did it take to travel from london to edinburgh by horse
[{'answer': '45 ⁄ hours', 'provenance': [{'wikipedia_id': '3455231', 'title': 'Great North Road (Great Britain)', 'start_paragraph_id': 7, 'start_character': 622, 'end_paragraph_id': 7, 'end_character': 630, 'bleu_score': 1.0, 'section': 'Section::::Route.\n'}]}, {'provenance': [{'wikipedia_id': '3455231', 'title': 'Great North Road (Great Britain)', 'start_paragraph_id': 7, 'start_character': 0, 'end_paragraph_id': 7, 'end_character': 824, 'bleu_score': 0.9671679735406701, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3265831131307385408}, 'section': 'Section::::Route.\n'}]}]