Question: who was the director of black panther movie
[{'answer': 'Ryan Coogler', 'provenance': [{'wikipedia_id': '41677925', 'title': 'Black Panther (film)', 'start_paragraph_id': 1, 'start_character': 276, 'end_paragraph_id': 1, 'end_character': 288, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '41677925', 'title': 'Black Panther (film)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 702, 'bleu_score': 0.806398368086058, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9395405425323216416}, 'section': 'Section::::Abstract.'}]}]