Question: when was the first bank of the united states formed
[{'answer': 'February 25 , 1791', 'provenance': [{'wikipedia_id': '55569', 'title': 'First Bank of the United States', 'start_paragraph_id': 35, 'start_character': 3, 'end_paragraph_id': 35, 'end_character': 21, 'bleu_score': 1.0, 'section': 'Section::::Presidential approval.\n'}]}, {'provenance': [{'wikipedia_id': '55569', 'title': 'First Bank of the United States', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 317, 'bleu_score': 0.965203995518735, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15106705275159935281}, 'section': 'Section::::Abstract.'}]}]