Question: Who directed a 2016 American 3D computer-animated comedy-adventure film produced by Walt Disney Animation Studios , that had an american film director  best known as the writer and director of the 2013 Disney animated feature "Frozen" redited for story contributions to "Zootopia"?
{'answer': 'Byron Howard and Rich Moore', 'supporting_facts': [['Jennifer Lee (filmmaker)', 0], ['Zootopia', 2]]}