Question: who is the fbi director of the united states
[{'answer': 'Christopher A. Wray', 'provenance': [{'wikipedia_id': '5861065', 'title': 'Director of the Federal Bureau of Investigation', 'start_paragraph_id': 3, 'start_character': 24, 'end_paragraph_id': 3, 'end_character': 43, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '5861065', 'title': 'Director of the Federal Bureau of Investigation', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 258, 'bleu_score': 0.890257934258152, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1156943334929952191}, 'section': 'Section::::Abstract.'}]}]