Question: when was the constitution ratified by most states
[{'answer': '1789', 'provenance': [{'wikipedia_id': '497752', 'title': 'History of the United States Constitution', 'start_paragraph_id': 4, 'start_character': 191, 'end_paragraph_id': 4, 'end_character': 195, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]