Question: who voices gobber in how to train your dragon
[{'answer': 'Craig Ferguson', 'provenance': [{'wikipedia_id': '18394730', 'title': 'How to Train Your Dragon (film)', 'start_paragraph_id': 1, 'start_character': 402, 'end_paragraph_id': 1, 'end_character': 416, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]