Question: which mountains are higher the rockies or the appalachians
[{'answer': 'Rocky Mountains', 'provenance': [{'wikipedia_id': '85023', 'title': 'Appalachian Mountains', 'start_paragraph_id': 1, 'start_character': 266, 'end_paragraph_id': 1, 'end_character': 281, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '85023', 'title': 'Appalachian Mountains', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 505, 'bleu_score': 0.919922762467766, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 591807481546496572}, 'section': 'Section::::Abstract.'}]}]