Question: who wrote it's hard to be humble
[{'answer': 'Mac Davis', 'provenance': [{'wikipedia_id': '57765768', 'title': "It's Hard to Be Humble", 'start_paragraph_id': 1, 'start_character': 38, 'end_paragraph_id': 1, 'end_character': 47, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]