Question: who played the king in conan the barbarian
[{'answer': 'Max von Sydow', 'provenance': [{'wikipedia_id': '3444797', 'title': 'Conan the Barbarian (1982 film)', 'start_paragraph_id': 26, 'start_character': 87, 'end_paragraph_id': 26, 'end_character': 100, 'bleu_score': 1.0, 'section': 'Section::::Production.:Casting.\n'}]}]