Question: who plays rick's wife in walking dead
[{'answer': 'Sarah Wayne Callies', 'provenance': [{'wikipedia_id': '3773365', 'title': 'Sarah Wayne Callies', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 19, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3773365', 'title': 'Sarah Wayne Callies', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 224, 'bleu_score': 0.9529077664391161, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11378509570757683610}, 'section': 'Section::::Abstract.'}]}]