Question: who is the secretary of state in washington dc
[{'answer': 'Rex Tillerson', 'provenance': [{'wikipedia_id': '31975', 'title': 'United States Department of State', 'start_paragraph_id': 3, 'start_character': 310, 'end_paragraph_id': 3, 'end_character': 323, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '31975', 'title': 'United States Department of State', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 327, 'bleu_score': 0.565465312533679, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12186934750167894762}, 'section': 'Section::::Abstract.'}]}]