Question: who ranks higher secretary of state or chief of staff
[{'answer': 'Secretary of State', 'provenance': [{'wikipedia_id': '214473', 'title': 'United States order of precedence', 'start_paragraph_id': 22, 'start_character': 14, 'end_paragraph_id': 22, 'end_character': 32, 'bleu_score': 1.0, 'section': 'Section::::Details as of July 31, 2019.\n'}]}]