Question: when did the capital move to washington dc
[{'answer': '1800', 'provenance': [{'wikipedia_id': '1771506', 'title': 'History of Washington, D.C.', 'start_paragraph_id': 35, 'start_character': 3, 'end_paragraph_id': 35, 'end_character': 7, 'bleu_score': 1.0, 'section': 'Section::::Founding.:Plan of the City of Washington.\n'}]}, {'provenance': [{'wikipedia_id': '1771506', 'title': 'History of Washington, D.C.', 'start_paragraph_id': 35, 'start_character': 0, 'end_paragraph_id': 35, 'end_character': 543, 'bleu_score': 0.978375183951072, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6621501365564527703}, 'section': 'Section::::Founding.:Plan of the City of Washington.\n'}]}]