Question: who plays ken in barbie life in the dreamhouse
[{'answer': 'Sean Hankinson', 'provenance': [{'wikipedia_id': '38764551', 'title': 'Barbie: Life in the Dreamhouse', 'start_paragraph_id': 6, 'start_character': 302, 'end_paragraph_id': 6, 'end_character': 316, 'bleu_score': 1.0, 'section': 'Section::::Characters.\n'}]}]