Question: which film won the oscar for best animated feature in 2012
[{'answer': 'Brave', 'provenance': [{'wikipedia_id': '61830', 'title': 'Academy Award for Best Animated Feature', 'start_paragraph_id': 55, 'start_character': 13, 'end_paragraph_id': 55, 'end_character': 18, 'bleu_score': 1.0, 'section': 'Section::::Medium breakdown.:Computer-animated nominees.:Pixar.\n'}]}]