Question: actor who voices captain underpants in 2017 film
[{'answer': 'Ed Helms', 'provenance': [{'wikipedia_id': '51483443', 'title': 'Captain Underpants: The First Epic Movie', 'start_paragraph_id': 1, 'start_character': 381, 'end_paragraph_id': 1, 'end_character': 389, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '51483443', 'title': 'Captain Underpants: The First Epic Movie', 'start_paragraph_id': 13, 'start_character': 0, 'end_paragraph_id': 13, 'end_character': 210, 'bleu_score': 0.7911403980746471, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15008854150961445474}, 'section': 'Section::::Voice cast.\n'}]}]