Question: name the 3 governmental structures or types of governments in operation in the united states
[{'answer': 'County Governments', 'provenance': [{'wikipedia_id': '1549583', 'title': 'Local government in the United States', 'start_paragraph_id': 9, 'start_character': 323, 'end_paragraph_id': 9, 'end_character': 341, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'answer': 'Town or Township Governments', 'provenance': [{'wikipedia_id': '1549583', 'title': 'Local government in the United States', 'start_paragraph_id': 13, 'start_character': 13, 'end_paragraph_id': 13, 'end_character': 41, 'bleu_score': 1.0, 'section': 'Section::::Types.\n'}]}, {'answer': 'Municipal Governments', 'provenance': [{'wikipedia_id': '1549583', 'title': 'Local government in the United States', 'start_paragraph_id': 14, 'start_character': 13, 'end_paragraph_id': 14, 'end_character': 34, 'bleu_score': 1.0, 'section': 'Section::::Types.\n'}]}]