Question: who played cathy in the movie petals on the wind
[{'answer': 'Rose McIver', 'provenance': [{'wikipedia_id': '43126315', 'title': 'Petals on the Wind (film)', 'start_paragraph_id': 1, 'start_character': 123, 'end_paragraph_id': 1, 'end_character': 134, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '43126315', 'title': 'Petals on the Wind (film)', 'start_paragraph_id': 16, 'start_character': 0, 'end_paragraph_id': 16, 'end_character': 45, 'bleu_score': 0.6147881529512641, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6416550640807455807}, 'section': 'Section::::Cast.\n'}]}]