Question: who plays jon snow in games of thrones
[{'answer': 'Harington', 'provenance': [{'wikipedia_id': '25844193', 'title': 'Kit Harington', 'start_paragraph_id': 0, 'start_character': 4, 'end_paragraph_id': 0, 'end_character': 13, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]