Question: who plays theon greyjoy on game of thrones
[{'answer': 'Alfie Allen', 'provenance': [{'wikipedia_id': '6124854', 'title': 'Alfie Allen', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 11, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '6124854', 'title': 'Alfie Allen', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 140, 'bleu_score': 0.731029628768011, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12981577045255216201}, 'section': 'Section::::Abstract.'}]}]