Question: what type of government does the us constitution establish
[{'answer': 'federal', 'provenance': [{'wikipedia_id': '31644', 'title': 'Constitution of the United States', 'start_paragraph_id': 1, 'start_character': 277, 'end_paragraph_id': 1, 'end_character': 284, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '31644', 'title': 'Constitution of the United States', 'start_paragraph_id': 42, 'start_character': 0, 'end_paragraph_id': 42, 'end_character': 113, 'bleu_score': 0.8970773746801091, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11206723937576983559}, 'section': 'Section::::Influences.\n'}]}]