Question: who does the voice of oscar in shark tale
[{'answer': 'Will Smith', 'provenance': [{'wikipedia_id': '334874', 'title': 'Shark Tale', 'start_paragraph_id': 1, 'start_character': 283, 'end_paragraph_id': 1, 'end_character': 293, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '334874', 'title': 'Shark Tale', 'start_paragraph_id': 9, 'start_character': 12, 'end_paragraph_id': 9, 'end_character': 214, 'bleu_score': 0.726185978597203, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3953793832055575981}, 'section': 'Section::::Cast.\n'}]}]