Question: who plays the grandma in ice age continental drift
[{'answer': 'Wanda Sykes', 'provenance': [{'wikipedia_id': '29609480', 'title': 'Ice Age: Continental Drift', 'start_paragraph_id': 16, 'start_character': 12, 'end_paragraph_id': 16, 'end_character': 23, 'bleu_score': 1.0, 'section': 'Section::::Voice cast.\n'}]}]