Question: who sings angels flying too close to the ground
[{'answer': 'Willie Nelson', 'provenance': [{'wikipedia_id': '25674326', 'title': 'Angel Flying Too Close to the Ground', 'start_paragraph_id': 1, 'start_character': 158, 'end_paragraph_id': 1, 'end_character': 171, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '25674326', 'title': 'Angel Flying Too Close to the Ground', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 355, 'bleu_score': 0.9699161750394991, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7245317518367366753}, 'section': 'Section::::Abstract.'}]}]