Question: what is the most common type of vegetation in the andes
[{'answer': 'vascular plants', 'provenance': [{'wikipedia_id': '1354', 'title': 'Andes', 'start_paragraph_id': 33, 'start_character': 24, 'end_paragraph_id': 33, 'end_character': 39, 'bleu_score': 1.0, 'section': 'Section::::Flora.\n'}]}, {'provenance': [{'wikipedia_id': '1354', 'title': 'Andes', 'start_paragraph_id': 33, 'start_character': 0, 'end_paragraph_id': 33, 'end_character': 963, 'bleu_score': 0.9543325262645681, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17080466595557415228}, 'section': 'Section::::Flora.\n'}]}]