Question: who played mary the nurse on andy griffith
[{'answer': 'Langdon', 'provenance': [{'wikipedia_id': '3300249', 'title': 'Sue Ane Langdon', 'start_paragraph_id': 0, 'start_character': 8, 'end_paragraph_id': 0, 'end_character': 15, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3300249', 'title': 'Sue Ane Langdon', 'start_paragraph_id': 12, 'start_character': 0, 'end_paragraph_id': 12, 'end_character': 671, 'bleu_score': 0.9530446225172671, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2586886476931526886}, 'section': 'Section::::Biography.:Career.\n'}]}]