Question: who plays andrea's sister in the walking dead
[{'answer': 'Emma Bell', 'provenance': [{'wikipedia_id': '39430926', 'title': 'Amy (The Walking Dead)', 'start_paragraph_id': 1, 'start_character': 124, 'end_paragraph_id': 1, 'end_character': 133, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '39430926', 'title': 'Amy (The Walking Dead)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 133, 'bleu_score': 0.845706314438832, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16034377188458033420}, 'section': 'Section::::Abstract.'}]}]