Question: who wrote black horse and a cherry tree
[{'answer': 'KT Tunstall', 'provenance': [{'wikipedia_id': '5100361', 'title': 'Black Horse and the Cherry Tree', 'start_paragraph_id': 1, 'start_character': 111, 'end_paragraph_id': 1, 'end_character': 122, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '5100361', 'title': 'Black Horse and the Cherry Tree', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 435, 'bleu_score': 0.9754554449993441, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10217345115510845286}, 'section': 'Section::::Abstract.'}]}]