Question: what is the longest mountain range on earth
[{'answer': 'Andes', 'provenance': [{'wikipedia_id': '31260502', 'title': 'List of longest mountain chains on Earth', 'start_paragraph_id': 1, 'start_character': 54, 'end_paragraph_id': 1, 'end_character': 59, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '31260502', 'title': 'List of longest mountain chains on Earth', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 300, 'bleu_score': 0.7956313140915061, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1581588483121922413}, 'section': 'Section::::Abstract.'}]}]