Question: who is rag n bone man backing singer
[{'answer': 'Rory Charles Graham', 'provenance': [{'wikipedia_id': '51101507', 'title': "Rag'n'Bone Man", 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 19, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '51101507', 'title': "Rag'n'Bone Man", 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 366, 'bleu_score': 0.701005648723623, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3757017426004374831}, 'section': 'Section::::Abstract.'}]}]