Question: when did the us declare war on britain for the war of 1812
[{'answer': 'June 18 , 1812', 'provenance': [{'wikipedia_id': '34059', 'title': 'War of 1812', 'start_paragraph_id': 46, 'start_character': 438, 'end_paragraph_id': 46, 'end_character': 452, 'bleu_score': 1.0, 'section': 'Section::::Declaration of war.\n'}]}, {'provenance': [{'wikipedia_id': '34059', 'title': 'War of 1812', 'start_paragraph_id': 46, 'start_character': 0, 'end_paragraph_id': 46, 'end_character': 969, 'bleu_score': 0.861010249139995, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8216317290092295023}, 'section': 'Section::::Declaration of war.\n'}]}]