Question: who is the actor who plays iron fist
[{'answer': 'Finn Jones', 'provenance': [{'wikipedia_id': '45079755', 'title': 'Iron Fist (TV series)', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 10, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '45079755', 'title': 'Iron Fist (TV series)', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 738, 'bleu_score': 0.9844346099707091, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12932009104236327866}, 'section': 'Section::::Abstract.'}]}]