Question: what kind of government was the roman republic
[{'answer': 'Republic', 'provenance': [{'wikipedia_id': '25816', 'title': 'Roman Republic', 'start_paragraph_id': 0, 'start_character': 6, 'end_paragraph_id': 0, 'end_character': 14, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]