Question: washington dc is located near the border of what two states
[{'answer': 'Virginia', 'provenance': [{'wikipedia_id': '1979243', 'title': 'Geography of Washington, D.C.', 'start_paragraph_id': 2, 'start_character': 42, 'end_paragraph_id': 2, 'end_character': 50, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Maryland', 'provenance': [{'wikipedia_id': '1979243', 'title': 'Geography of Washington, D.C.', 'start_paragraph_id': 2, 'start_character': 79, 'end_paragraph_id': 2, 'end_character': 87, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1979243', 'title': 'Geography of Washington, D.C.', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 736, 'bleu_score': 0.983401048538667, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16997721906208254852}, 'section': 'Section::::Abstract.'}]}]