Question: who played the cia agent in black panther
[{'answer': 'Martin Freeman', 'provenance': [{'wikipedia_id': '46640788', 'title': 'Everett K. Ross', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 14, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]