Question: who played lucy's sister in twin peaks
[{'answer': 'Kathleen Wilhoite', 'provenance': [{'wikipedia_id': '1896540', 'title': 'Kathleen Wilhoite', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 17, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1896540', 'title': 'Kathleen Wilhoite', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 415, 'bleu_score': 0.9720210313175831, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15811949899696091854}, 'section': 'Section::::Abstract.'}]}]