Question: Who was the winning coach in the 2009 Big 12 Championship Game?
{'answer': 'Mack Brown', 'supporting_facts': [['2009 Nebraska Cornhuskers football team', 0], ['2009 Nebraska Cornhuskers football team', 2], ['2009 Texas Longhorns football team', 0], ['2009 Texas Longhorns football team', 1]]}