Question: does the queen live at windsor castle or buckingham palace
[{'answer': 'Buckingham Palace', 'provenance': [{'wikipedia_id': '701703', 'title': 'List of British royal residences', 'start_paragraph_id': 1, 'start_character': 139, 'end_paragraph_id': 1, 'end_character': 156, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]