Question: who is the current acting secretary of agriculture
[{'answer': 'Sonny Perdue', 'provenance': [{'wikipedia_id': '42646', 'title': 'United States Secretary of Agriculture', 'start_paragraph_id': 1, 'start_character': 159, 'end_paragraph_id': 1, 'end_character': 171, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '42646', 'title': 'United States Secretary of Agriculture', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 357, 'bleu_score': 0.8719553949694501, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15551780380395549986}, 'section': 'Section::::Abstract.'}]}]