Question: who does mark gatiss play in game of thrones
[{'answer': 'Tycho Nestoris', 'provenance': [{'wikipedia_id': '504012', 'title': 'Mark Gatiss', 'start_paragraph_id': 1, 'start_character': 319, 'end_paragraph_id': 1, 'end_character': 333, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '504012', 'title': 'Mark Gatiss', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 368, 'bleu_score': 0.778668965830513, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10285755014749835518}, 'section': 'Section::::Abstract.'}]}]