Question: who did the us fight in the war of 1812
[{'answer': 'British Empire', 'provenance': [{'wikipedia_id': '34059', 'title': 'War of 1812', 'start_paragraph_id': 19, 'start_character': 182, 'end_paragraph_id': 19, 'end_character': 196, 'bleu_score': 1.0, 'section': 'Section::::Origin.:British support of Indian raids.\n'}]}, {'answer': "Tecumseh 's Confederacy", 'provenance': [{'wikipedia_id': '34059', 'title': 'War of 1812', 'start_paragraph_id': 27, 'start_character': 391, 'end_paragraph_id': 27, 'end_character': 416, 'bleu_score': 1.0, 'section': 'Section::::Origin.:American expansionism.\n'}]}]