Question: who ruled the country before it became bolivia
[{'answer': 'Spanish', 'provenance': [{'wikipedia_id': '19283944', 'title': 'History of Bolivia', 'start_paragraph_id': 1, 'start_character': 113, 'end_paragraph_id': 1, 'end_character': 120, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '19283944', 'title': 'History of Bolivia', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 928, 'bleu_score': 0.970407102359722, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9035629079365218640}, 'section': 'Section::::Abstract.'}]}]