Question: what was the capital of uk before london
[{'answer': 'Winchester', 'provenance': [{'wikipedia_id': '407950', 'title': 'Kingdom of England', 'start_paragraph_id': 2, 'start_character': 390, 'end_paragraph_id': 2, 'end_character': 400, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]