Question: who played alex cahill on walker texas ranger
[{'answer': 'Sheree Julienne Wilson', 'provenance': [{'wikipedia_id': '1831599', 'title': 'Sheree J. Wilson', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 22, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1831599', 'title': 'Sheree J. Wilson', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 300, 'bleu_score': 0.8474966375582541, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11485263528030818771}, 'section': 'Section::::Abstract.'}]}]