Premise: Anthony Carroll "Tony" Knowles (born January 1, 1943) is an American politician and businessman who served as the seventh Governor of Alaska from December 1994 to December 2002. Barred from seeking a third consecutive term as governor in 2002, he ran unsuccessfully for the Senate in 2004 and again for governor in 2006.
Hypothesis: Knowles was unsuccessful in his 2006 run for governor because it was his third try.