Question: who played audra barkley in the big valley
[{'answer': 'Linda Evans', 'provenance': [{'wikipedia_id': '654906', 'title': 'Linda Evans', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 11, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '654906', 'title': 'Linda Evans', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 424, 'bleu_score': 0.621944140499307, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13805251850907560292}, 'section': 'Section::::Abstract.'}]}]