Question: what kind of plane does the secretary of state fly on
[{'answer': 'Boeing C - 32'}, {'provenance': [{'wikipedia_id': '595226', 'title': 'Boeing C-32', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 681, 'bleu_score': 0.7642484540805681, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6235311400206305757}, 'section': 'Section::::Abstract.'}]}]