Question: who plays elf king in desolation of smaug
[{'answer': 'Lee Grinner Pace', 'provenance': [{'wikipedia_id': '6158845', 'title': 'Lee Pace', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 16, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '6158845', 'title': 'Lee Pace', 'start_paragraph_id': 1, 'start_character': 17, 'end_paragraph_id': 1, 'end_character': 700, 'bleu_score': 0.609442975670476, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4975104527525214361}, 'section': 'Section::::Abstract.'}]}]