Question: who does the voice of snowball in the secret life of pets
[{'answer': 'Kevin Hart', 'provenance': [{'wikipedia_id': '45111773', 'title': 'The Secret Life of Pets', 'start_paragraph_id': 1, 'start_character': 330, 'end_paragraph_id': 1, 'end_character': 340, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '45111773', 'title': 'The Secret Life of Pets', 'start_paragraph_id': 14, 'start_character': 0, 'end_paragraph_id': 14, 'end_character': 50, 'bleu_score': 0.725979529115477, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5448794953622954070}, 'section': 'Section::::Cast.\n'}]}]