Question: who plays the voice of mittens in bolt
[{'answer': 'Susie Essman', 'provenance': [{'wikipedia_id': '2017211', 'title': 'Bolt (2008 film)', 'start_paragraph_id': 1, 'start_character': 354, 'end_paragraph_id': 1, 'end_character': 366, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2017211', 'title': 'Bolt (2008 film)', 'start_paragraph_id': 13, 'start_character': 0, 'end_paragraph_id': 13, 'end_character': 35, 'bleu_score': 0.5081327481546141, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7807260470876789037}, 'section': 'Section::::Cast.\n'}]}]