Question: who plays riley blue's father in sense8
[{'answer': 'Kristján Kristjánsson', 'provenance': [{'wikipedia_id': '47441868', 'title': 'List of Sense8 characters', 'start_paragraph_id': 88, 'start_character': 12, 'end_paragraph_id': 88, 'end_character': 33, 'bleu_score': 1.0, 'section': 'Section::::Recurring characters.:In Reykjavík, Iceland.\n'}]}]