Question: who played conan's mother in conan the barbarian
[{'answer': 'Nadiuska', 'provenance': [{'wikipedia_id': '3444797', 'title': 'Conan the Barbarian (1982 film)', 'start_paragraph_id': 27, 'start_character': 889, 'end_paragraph_id': 27, 'end_character': 897, 'bleu_score': 1.0, 'section': 'Section::::Production.:Casting.\n'}]}]