Question: when did the united states and britain sign a peace treaty
[{'answer': '1814', 'provenance': [{'wikipedia_id': '704801', 'title': 'List of United States treaties', 'start_paragraph_id': 41, 'start_character': 12, 'end_paragraph_id': 41, 'end_character': 16, 'bleu_score': 1.0, 'section': 'Section::::U.S. international treaties.:1800–1849.\n'}]}, {'provenance': [{'wikipedia_id': '704801', 'title': 'List of United States treaties', 'start_paragraph_id': 41, 'start_character': 0, 'end_paragraph_id': 41, 'end_character': 92, 'bleu_score': 0.8702397637697911, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15797295670968146245}, 'section': 'Section::::U.S. international treaties.:1800–1849.\n'}]}]