Question: who does raven symone play in the cosby show
[{'answer': 'Olivia Kendall', 'provenance': [{'wikipedia_id': '722403', 'title': 'Raven-Symoné', 'start_paragraph_id': 1, 'start_character': 182, 'end_paragraph_id': 1, 'end_character': 196, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '722403', 'title': 'Raven-Symoné', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 740, 'bleu_score': 0.7104453128341061, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5212997253048969778}, 'section': 'Section::::Abstract.'}]}]