Question: who plays aunt bee on the andy griffith show
[{'answer': 'Elizabeth', 'provenance': [{'wikipedia_id': '1002510', 'title': 'Frances Bavier', 'start_paragraph_id': 1, 'start_character': 8, 'end_paragraph_id': 1, 'end_character': 17, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1002510', 'title': 'Frances Bavier', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 474, 'bleu_score': 0.8663281795996071, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13460475608349679641}, 'section': 'Section::::Abstract.'}]}]