Question: What is the birthdate of this American football player, coach, broadcaster, and politician, who coached the 1960 Oklahoma Sooners football team?
Context: Joshua Kenneth Heupel (born March 22, 1978) is the offensive coordinator and quarterbacks coach for the Missouri Tigers.  He is also a former college football player who played quarterback for the Oklahoma Sooners football team at the University of Oklahoma.  During his college playing career, he was recognized as a consensus All-American, won numerous awards, and led Oklahoma to the 2000 BCS National Championship.  Heupel became a coach after his playing career ended.  He served as co-offensive coordinator for the Oklahoma Sooners until January 6, 2015, when he was fired from his position.  He was named the assistant head coach, offensive coordinator, and quarterbacks coach at Utah State on January 23, 2015.  After one season at Utah State, he was hired at the University of Missouri under Barry Odom's new staff. The 1895 Oklahoma Sooners football team represented the Oklahoma Sooners of the University of Oklahoma during the 1895 college football season and was its first football team ever fielded.  The team completed its inaugural season with a 0–1 record.  The Sooners played their first football game in history against a town team from Oklahoma City and lost by a final score of 34–0.  This was the program's one and only season under the guidance of head coach John A. Harts, the next season he was gold prospecting in the Arctic. The Oklahoma Sooners football program is a college football team that represents the University of Oklahoma.  The team has had 22 head coaches since organized football began in 1895.  The Sooners have played in more than 1,200 games in its 121 seasons.  In those seasons, eight coaches have led the Sooners to postseason bowl games: Tom Stidham, Jim Tatum, Bud Wilkinson, Gomer Jones, Chuck Fairbanks, Barry Switzer, Gary Gibbs and Bob Stoops.  Eight coaches have won conference championships with the Sooners: Bennie Owen, Stidham, Dewey Luster, Tatum, Wilkinson, Fairbanks, Switzer and Stoops.  Wilkinson, Switzer and Stoops have also won national championships with the Sooners.  Stoops is the all-time leader in games coached and won, Owen is the all-time leader in years coached, while Switzer is the all-time leader in winning percentage.  John Harts is, in terms of winning percentage, the worst coach the Sooners have had as he lost the only game he coached.  John Blake has the lowest winning percentage of those who have coached more than one game with .353 in his 34 games. The 1978 Oklahoma Sooners football team represented the University of Oklahoma in the college football 1978 NCAA Division I-A season.  Oklahoma Sooners football participated in the former Big Eight Conference at that time and played its home games in Oklahoma Memorial Stadium where it has played its home games since 1923.  The team posted an 11–1 overall record and a 6–1 conference record to earn a share of the conference title under head coach Barry Switzer.  This was Switzer's sixth conference title in six seasons since taking the helm in 1973. Dewey William "Snorter" Luster (February 1, 1899 – October 13, 1980) was an American football player and coach.  He served as the head football coach at the University of Oklahoma from 1941 to 1945, compiling a record of 27–18–3.  Luster was also a player on the Oklahoma Sooners football team from 1917 to 1920 under head coach Bennie Owen and was the captain of the 1920 undefeated team. The 1979 Oklahoma Sooners football team represented the University of Oklahoma in the college football 1979 NCAA Division I-A season.  Oklahoma Sooners football participated in the former Big Eight Conference at that time and played its home games in Gaylord Family Oklahoma Memorial Stadium where it has played its home games since 1923.  The team posted an 11–1 overall record and a 7–0 conference record to earn the Conference title outright under head coach Barry Switzer who took the helm in 1973.  This was Switzer's seventh conference title and fourth undefeated conference record in seven seasons. Charles Burnham "Bud" Wilkinson (April 23, 1916 – February 9, 1994) was an American football player, coach, broadcaster, and politician.  He served as the head football coach at the University of Oklahoma from 1947 to 1963, compiling a record of 145–29–4.  His Oklahoma Sooners won three national championships (1950, 1955, and 1956) and 14 conference titles.  Between 1953 and 1957, Wilkinson's Oklahoma squads won 47 straight games, a record that still stands at the highest level of college football.  After retiring from coaching following the 1963 season, Wilkinson entered into politics and, in 1965, became a broadcaster with ABC Sports.  He returned to coaching in 1978, helming the St. Louis Cardinals of the National Football League for two seasons.  Wilkinson was inducted into the College Football Hall of Fame as a coach in 1969. The 1960 Oklahoma Sooners football team represented the University of Oklahoma during the 1960 college football season.  They played their home games at Oklahoma Memorial Stadium and competed as members of the Big Eight Conference.  They were coached by head coach Bud Wilkinson. The 1984 Oklahoma Sooners football team represented the University of Oklahoma in the college football 1984 NCAA Division I-A season.  Oklahoma Sooners football participated in the former Big Eight Conference at that time and played its home games in Gaylord Family Oklahoma Memorial Stadium where it has played its home games since 1923.  The team posted a 9–2–1 overall record and a 6–1 conference record to earn a share of the Conference title under head coach Barry Switzer who took the helm in 1973.  This was Switzer's ninth conference title in twelve seasons. John Roush (born January 7, 1953) is a former American football player.  He attended the University of Oklahoma and played at the offensive guard position for the Oklahoma Sooners football team and was a member of the 1974 team coached by Barry Switzer that compiled an 11–0 record and won the national championship.  He was also a consensus first-team selection to the 1974 College Football All-America Team.  He was also an Academic All-America selection in 1974.
Answer: April 23, 1916