Question: where do the rivers of the northern colombian andes flow
[{'answer': 'the Caribbean Sea', 'provenance': [{'wikipedia_id': '5836', 'title': 'Geography of Colombia', 'start_paragraph_id': 3, 'start_character': 206, 'end_paragraph_id': 3, 'end_character': 223, 'bleu_score': 1.0, 'section': 'Section::::Main.\n'}]}, {'provenance': [{'wikipedia_id': '5836', 'title': 'Geography of Colombia', 'start_paragraph_id': 13, 'start_character': 0, 'end_paragraph_id': 13, 'end_character': 577, 'bleu_score': 0.7990504134941401, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17705477971083209294}, 'section': 'Section::::Main.:Andean region.\n'}]}]