Question: where do trumpeter swans go in the winter
[{'answer': 'the southern tier of Canada', 'provenance': [{'wikipedia_id': '696215', 'title': 'Trumpeter swan', 'start_paragraph_id': 10, 'start_character': 31, 'end_paragraph_id': 10, 'end_character': 58, 'bleu_score': 1.0, 'section': 'Section::::Range and habitat.\n'}]}, {'answer': 'the eastern part of the northwest states in the United States'}, {'provenance': [{'wikipedia_id': '696215', 'title': 'Trumpeter swan', 'start_paragraph_id': 10, 'start_character': 0, 'end_paragraph_id': 10, 'end_character': 845, 'bleu_score': 0.936473816886179, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2185624140420202755}, 'section': 'Section::::Range and habitat.\n'}]}]