Question: who is the actor that plays the hound on game of thrones
[{'answer': 'Rory McCann', 'provenance': [{'wikipedia_id': '18490702', 'title': 'Rory McCann', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 11, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '18490702', 'title': 'Rory McCann', 'start_paragraph_id': 1, 'start_character': 5, 'end_paragraph_id': 1, 'end_character': 220, 'bleu_score': 0.8494499530473011, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5811880218845050544}, 'section': 'Section::::Abstract.'}]}]