Question: who plays eric in how to train your dragon 2
[{'answer': 'Kit Harington', 'provenance': [{'wikipedia_id': '32220715', 'title': 'How to Train Your Dragon 2', 'start_paragraph_id': 1, 'start_character': 600, 'end_paragraph_id': 1, 'end_character': 613, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]