Question: What former American football coach, known as The Big Tuna, was hired by the Dallas Cowboys in 2003?

<P0-S0> Duane Charles "Bill" Parcells (born August 22, 1941), also known as The Big Tuna, is a former American football coach, best known as a head coach in the National Football League (NFL) for 19 seasons. <P0-S1>  He rose to prominence as the head coach of the New York Giants, whom he led to two Super Bowl titles. <P0-S2>  Parcells later served as the head coach of the New England Patriots, New York Jets, and Dallas Cowboys. <P0-S3>  Throughout his career, he coached teams that were in a period of decline and turned them into postseason contenders. <P0-S4>  He is the only coach in NFL history to lead four different teams to the playoffs and three different teams to a conference championship game. <SEP> <P1-S0> Paul Hilton "Butch" Davis, Jr. (born November 17, 1951) is an American football coach. <P1-S1>  He is the head football coach at Florida International University. <P1-S2>  After graduating from the University of Arkansas, he became an assistant college football coach at Oklahoma State University and the University of Miami before becoming the defensive coordinator for the Dallas Cowboys of the National Football League (NFL). <P1-S3>  He was head coach of the University of Miami's Hurricanes football team from 1995 to 2000 and the NFL's Cleveland Browns from 2001 to 2004. <P1-S4>  Davis served as the head coach of the University of North Carolina at Chapel Hill (UNC) Tar Heels football team from 2007 until the summer of 2011, when a series of National Collegiate Athletic Association (NCAA) investigations resulted in his dismissal. <P1-S5>  He was hired by the NFL's Tampa Bay Buccaneers as an advisor in February 2012. <SEP> <P2-S0> Clint Dolezel (born March 25, 1970) is an American football coach and former professional arena football player in the Arena Football League (AFL). <P2-S1>  Dolezel was a quarterback in the AFL, and currently the head coach of the AFL's Philadelphia Soul. <P2-S2>  He played college football at East Texas State, and was in the AFL for 13 seasons from 1995 to 2008. <P2-S3>  Dolezel first became a head coach in 2010 with the San Angelo Stampede Express of the Indoor Football League (IFL). <P2-S4>  After just a single season, Dolezel returned to the AFL as the head coach of the Dallas Vigilantes. <P2-S5>  After the Vigilantes franchise suspended operations, Dolezel joined the Philadelphia Soul as their offensive coordinator under head coach Doug Plank. <P2-S6>  Plank left the Soul following the 2012 season, and the Soul promoted Dolezel to head coach. <P2-S7>  As an AFL player, he was originally signed by the Milwaukee Mustangs. <P2-S8>  In his career, he has also played for the Texas Terror/Houston Thunderbears, Grand Rapids Rampage, Las Vegas Gladiators, and the Dallas Desperados. <P2-S9>  Dolezel is also a scout for the Dallas Cowboys. <SEP> <P3-S0> The 2003 Dallas Cowboys season was the 44th season for the team in the National Football League. <P3-S1>  Coming off three consecutive 5–11 seasons, Dallas hired former New York Giants, New York Jets, and New England Patriots coach Bill Parcells. <P3-S2>  In a scheduling coincidence, the Cowboys faced all three said teams in the 2003 regular season.