Question: when was the office of the vice president created
[{'answer': '1787', 'provenance': [{'wikipedia_id': '32759', 'title': 'Vice President of the United States', 'start_paragraph_id': 3, 'start_character': 330, 'end_paragraph_id': 3, 'end_character': 334, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]