Question: What Pixar short written by the originator and co-director of Pixar's Oscar-winning 2007 film "Ratatouille" won an Academy Award for Best Animated Short Film in 1998?
{'answer': "Geri's Game", 'supporting_facts': [['Jan Pinkava', 0], ["Geri's Game", 0], ["Geri's Game", 2]]}