Question: who played the skin changer in desolation of smaug
[{'answer': 'Mikael Åke Persbrandt', 'provenance': [{'wikipedia_id': '3125556', 'title': 'Mikael Persbrandt', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 21, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3125556', 'title': 'Mikael Persbrandt', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 497, 'bleu_score': 0.9766041382465441, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 233875136239520452}, 'section': 'Section::::Abstract.'}]}]