Question: where did the us capitol used to be
[{'answer': 'Philadelphia ,', 'provenance': [{'wikipedia_id': '31979', 'title': 'United States Capitol', 'start_paragraph_id': 5, 'start_character': 473, 'end_paragraph_id': 5, 'end_character': 495, 'bleu_score': 1.0, 'section': 'Section::::History.:Background.\n'}]}, {'provenance': [{'wikipedia_id': '31979', 'title': 'United States Capitol', 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 569, 'bleu_score': 0.957795280617293, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2469157417548708996}, 'section': 'Section::::History.:Background.\n'}]}]