Question: who plays in how to train your dragon
[{'answer': 'Gerard Butler', 'provenance': [{'wikipedia_id': '5829721', 'title': 'How to Train Your Dragon', 'start_paragraph_id': 96, 'start_character': 207, 'end_paragraph_id': 96, 'end_character': 220, 'bleu_score': 1.0, 'section': 'Section::::Films.\n'}]}, {'answer': 'Craig Ferguson', 'provenance': [{'wikipedia_id': '5829721', 'title': 'How to Train Your Dragon', 'start_paragraph_id': 96, 'start_character': 258, 'end_paragraph_id': 96, 'end_character': 272, 'bleu_score': 1.0, 'section': 'Section::::Films.\n'}]}, {'answer': 'Jay Baruchel', 'provenance': [{'wikipedia_id': '5829721', 'title': 'How to Train Your Dragon', 'start_paragraph_id': 96, 'start_character': 298, 'end_paragraph_id': 96, 'end_character': 310, 'bleu_score': 1.0, 'section': 'Section::::Films.\n'}]}, {'provenance': [{'wikipedia_id': '5829721', 'title': 'How to Train Your Dragon', 'start_paragraph_id': 96, 'start_character': 0, 'end_paragraph_id': 96, 'end_character': 547, 'bleu_score': 0.977897140678983, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5917196874812512116}, 'section': 'Section::::Films.\n'}]}]