Question: how many active volcanoes are there in chile
[{'answer': 'about 500', 'provenance': [{'wikipedia_id': '21861339', 'title': 'Volcanology of Chile', 'start_paragraph_id': 1, 'start_character': 987, 'end_paragraph_id': 1, 'end_character': 996, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '21861339', 'title': 'Volcanology of Chile', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 1135, 'bleu_score': 0.9884053071617651, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8422470967707745955}, 'section': 'Section::::Abstract.'}]}]