Question: who has the most number one hits country
[{'answer': 'George Strait', 'provenance': [{'wikipedia_id': '24989428', 'title': 'List of artists who reached number one on the U.S. country chart', 'start_paragraph_id': 3, 'start_character': 12, 'end_paragraph_id': 3, 'end_character': 25, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '24989428', 'title': 'List of artists who reached number one on the U.S. country chart', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 90, 'bleu_score': 0.8852140475440831, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4622904704829764466}, 'section': 'Section::::Abstract.'}]}]