Question: who played prudence on nanny and the professor
[{'answer': 'Kim Richards', 'provenance': [{'wikipedia_id': '1379312', 'title': 'Nanny and the Professor', 'start_paragraph_id': 4, 'start_character': 399, 'end_paragraph_id': 4, 'end_character': 411, 'bleu_score': 1.0, 'section': 'Section::::Premise.\n'}]}, {'provenance': [{'wikipedia_id': '1379312', 'title': 'Nanny and the Professor', 'start_paragraph_id': 13, 'start_character': 0, 'end_paragraph_id': 13, 'end_character': 180, 'bleu_score': 0.9271474438253491, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9557124491999586480}, 'section': 'Section::::Main cast.\n'}]}]