Question: where is the highest point of the usa
[{'answer': 'Denali', 'provenance': [{'wikipedia_id': '1416612', 'title': 'List of U.S. states and territories by elevation', 'start_paragraph_id': 3, 'start_character': 172, 'end_paragraph_id': 3, 'end_character': 178, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1416612', 'title': 'List of U.S. states and territories by elevation', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 746, 'bleu_score': 0.8992743955015161, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6172213100323836571}, 'section': 'Section::::Abstract.'}]}]