Question: who played ellie walker on andy griffith show
[{'answer': 'Elinor Donahue', 'provenance': [{'wikipedia_id': '14600069', 'title': 'Elinor "Ellie" Walker', 'start_paragraph_id': 1, 'start_character': 368, 'end_paragraph_id': 1, 'end_character': 382, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '14600069', 'title': 'Elinor "Ellie" Walker', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 440, 'bleu_score': 0.9712154609069981, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2034654719921300956}, 'section': 'Section::::Abstract.'}]}]