Question: who plays the ice queen in sharkboy and lavagirl
[{'answer': 'Sasha Pieterse', 'provenance': [{'wikipedia_id': '1996350', 'title': 'The Adventures of Sharkboy and Lavagirl in 3-D', 'start_paragraph_id': 15, 'start_character': 12, 'end_paragraph_id': 15, 'end_character': 26, 'bleu_score': 1.0, 'section': 'Section::::Cast.\n'}]}, {'provenance': [{'wikipedia_id': '1996350', 'title': 'The Adventures of Sharkboy and Lavagirl in 3-D', 'start_paragraph_id': 15, 'start_character': 0, 'end_paragraph_id': 15, 'end_character': 311, 'bleu_score': 0.959574895300321, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2780591029950414522}, 'section': 'Section::::Cast.\n'}]}]