Question: who plays kat in casper the friendly ghost
[{'answer': 'Christina Ricci', 'provenance': [{'wikipedia_id': '21132353', 'title': 'Casper (film)', 'start_paragraph_id': 1, 'start_character': 207, 'end_paragraph_id': 1, 'end_character': 222, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '21132353', 'title': 'Casper (film)', 'start_paragraph_id': 15, 'start_character': 0, 'end_paragraph_id': 15, 'end_character': 172, 'bleu_score': 0.816927647530702, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6880119910792068668}, 'section': 'Section::::Cast.\n'}]}]