Question: where are caucasus mountains located on a map
[{'answer': 'West Asia'}, {'answer': 'the Caucasus region'}, {'provenance': [{'wikipedia_id': '230497', 'title': 'Caucasus Mountains', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 137, 'bleu_score': 0.5412047551441961, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18126344544748039205}, 'section': 'Section::::Abstract.'}]}]