Question: what is the most northern country in south america
[{'answer': 'Colombia', 'provenance': [{'wikipedia_id': '873595', 'title': 'Extreme points of South America', 'start_paragraph_id': 5, 'start_character': 94, 'end_paragraph_id': 5, 'end_character': 102, 'bleu_score': 1.0, 'section': 'Section::::Latitude and longitude.:South America.\n'}]}, {'provenance': [{'wikipedia_id': '873595', 'title': 'Extreme points of South America', 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 118, 'bleu_score': 0.5835260168180161, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6726793147338451293}, 'section': 'Section::::Latitude and longitude.:South America.\n'}]}]