Question: in which country in north america mount rushmore found
[{'answer': 'United States', 'provenance': [{'wikipedia_id': '185973', 'title': 'Mount Rushmore', 'start_paragraph_id': 7, 'start_character': 455, 'end_paragraph_id': 7, 'end_character': 468, 'bleu_score': 1.0, 'section': 'Section::::History.:Naming.\n'}]}]