Question: what is the highest mountain in the appalachian range
[{'answer': 'Mount Mitchell in North Carolina', 'provenance': [{'wikipedia_id': '85023', 'title': 'Appalachian Mountains', 'start_paragraph_id': 4, 'start_character': 459, 'end_paragraph_id': 4, 'end_character': 491, 'bleu_score': 1.0, 'section': 'Section::::Overview.\n'}]}, {'provenance': [{'wikipedia_id': '85023', 'title': 'Appalachian Mountains', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 574, 'bleu_score': 0.7308882619321301, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5666339346642750626}, 'section': 'Section::::Overview.\n'}]}]