Question: who sold the most records in country music
[{'answer': 'Taylor Swift', 'provenance': [{'wikipedia_id': '1291598', 'title': 'List of best-selling music artists', 'start_paragraph_id': 3, 'start_character': 656, 'end_paragraph_id': 3, 'end_character': 668, 'bleu_score': 1.0, 'section': 'Section::::Definitions.\n'}]}]