Question: who is the voice of rosita in sing
[{'answer': 'Reese Witherspoon', 'provenance': [{'wikipedia_id': '47415762', 'title': 'Sing (2016 American film)', 'start_paragraph_id': 1, 'start_character': 226, 'end_paragraph_id': 1, 'end_character': 243, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '47415762', 'title': 'Sing (2016 American film)', 'start_paragraph_id': 13, 'start_character': 0, 'end_paragraph_id': 13, 'end_character': 142, 'bleu_score': 0.8865773946743901, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6531942589886558155}, 'section': 'Section::::Voice cast.\n'}]}]