Question: who is the actor that plays carl on the walking dead
[{'answer': 'Chandler Riggs', 'provenance': [{'wikipedia_id': '34495497', 'title': 'Chandler Riggs', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 14, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '34495497', 'title': 'Chandler Riggs', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 166, 'bleu_score': 0.5701836883994991, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12670871591532823932}, 'section': 'Section::::Abstract.'}]}]