Question: when did canada set the white house on fire
[{'answer': 'August 24 , 1814', 'provenance': [{'wikipedia_id': '1335486', 'title': 'Burning of Washington', 'start_paragraph_id': 9, 'start_character': 1077, 'end_paragraph_id': 9, 'end_character': 1093, 'bleu_score': 1.0, 'section': 'Section::::Reasons.\n'}]}]