Question: who set fire to the white house in 1812
[{'answer': 'British force', 'provenance': [{'wikipedia_id': '1335486', 'title': 'Burning of Washington', 'start_paragraph_id': 1, 'start_character': 210, 'end_paragraph_id': 1, 'end_character': 223, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Major General Robert Ross', 'provenance': [{'wikipedia_id': '1335486', 'title': 'Burning of Washington', 'start_paragraph_id': 1, 'start_character': 231, 'end_paragraph_id': 1, 'end_character': 256, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1335486', 'title': 'Burning of Washington', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 818, 'bleu_score': 0.7509067031051121, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10313165432922012006}, 'section': 'Section::::Abstract.'}]}]