Question: who sings broken halos that used to fly
[{'answer': 'Chris Stapleton', 'provenance': [{'wikipedia_id': '53781408', 'title': 'Broken Halos', 'start_paragraph_id': 1, 'start_character': 64, 'end_paragraph_id': 1, 'end_character': 79, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '53781408', 'title': 'Broken Halos', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 534, 'bleu_score': 0.77208525051537, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2603242837964406595}, 'section': 'Section::::Abstract.'}]}]