Question: the country in middle america with the largest population is
[{'answer': 'Nicaragua', 'provenance': [{'wikipedia_id': '6121', 'title': 'Central America', 'start_paragraph_id': 1, 'start_character': 403, 'end_paragraph_id': 1, 'end_character': 412, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]