Question: who lived in costa rica before the spanish
[{'answer': 'Native Americans', 'provenance': [{'wikipedia_id': '5552', 'title': 'History of Costa Rica', 'start_paragraph_id': 11, 'start_character': 28, 'end_paragraph_id': 11, 'end_character': 44, 'bleu_score': 1.0, 'section': 'Section::::Pre-Columbian Costa Rica.\n'}]}, {'provenance': [{'wikipedia_id': '5552', 'title': 'History of Costa Rica', 'start_paragraph_id': 11, 'start_character': 0, 'end_paragraph_id': 11, 'end_character': 189, 'bleu_score': 0.8763166199819781, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4987738202479741925}, 'section': 'Section::::Pre-Columbian Costa Rica.\n'}]}]