Question: who played jennifer hart on hart to hart
[{'answer': 'Stefanie Powers', 'provenance': [{'wikipedia_id': '1256128', 'title': 'Stefanie Powers', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 15, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1256128', 'title': 'Stefanie Powers', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 399, 'bleu_score': 0.857053742661611, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7757895992934780395}, 'section': 'Section::::Abstract.'}]}]