Question: who sang lord its hard to be humble
[{'answer': 'Morris Mac Davis', 'provenance': [{'wikipedia_id': '1556326', 'title': 'Mac Davis', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 16, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1556326', 'title': 'Mac Davis', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 487, 'bleu_score': 0.86459003657885, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7171973612266467317}, 'section': 'Section::::Abstract.'}]}]