Question: when was the capital moved to washington dc
[{'answer': '1790', 'provenance': [{'wikipedia_id': '1771506', 'title': 'History of Washington, D.C.', 'start_paragraph_id': 13, 'start_character': 1027, 'end_paragraph_id': 13, 'end_character': 1031, 'bleu_score': 1.0, 'section': 'Section::::Founding.:Establishment.\n'}]}, {'provenance': [{'wikipedia_id': '1771506', 'title': 'History of Washington, D.C.', 'start_paragraph_id': 14, 'start_character': 0, 'end_paragraph_id': 14, 'end_character': 818, 'bleu_score': 0.9845548242372031, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12511891909032071627}, 'section': 'Section::::Founding.:Establishment.\n'}]}]