Question: What is the birthdate of this American football player, coach, broadcaster, and politician, who coached the 1960 Oklahoma Sooners football team?

full_context: Document 1: Bud Wilkinson: 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.
Document 2: Darrell Royal: Darrell K Royal (July 6, 1924 – November 7, 2012) was an American football player and coach. He served as the head coach at Mississippi State University (1954–1955), the University of Washington (1956), and the University of Texas (1957–1976), compiling a career college football record of 184–60–5. In his 20 seasons at Texas, Royal's teams won three national championships (1963, 1969, and 1970), 11 Southwest Conference titles, and amassed a record of 167–47–5. He won more games than any other coach in Texas Longhorns football history. Royal also coached the Edmonton Eskimos of the Canadian Football League (CFL) for one season in 1953. He never had a losing season as a head coach for his entire career. Royal played football at the University of Oklahoma from 1946 to 1949. He was inducted into the College Football Hall of Fame as a coach in 1983. Darrell K Royal – Texas Memorial Stadium in Austin, Texas, where the Longhorns play their home games, was renamed in his honor in 1996.
Document 3: Barry Switzer: Barry Layne Switzer (born October 5, 1937) is a former American football player and coach. He served for 16 years as head football coach at the University of Oklahoma and four years as head coach for the Dallas Cowboys of the National Football League (NFL). He helped the Cowboys win Super Bowl XXX against the Pittsburgh Steelers. He has one of the highest winning percentages of any college football coach in history, and is one of only three head coaches to win both a college football national championship and a Super Bowl, the others being Jimmy Johnson and Pete Carroll.
Document 4: Oklahoma Sooners football: The Oklahoma Sooners football program is a college football team that represents the University of Oklahoma (variously "Oklahoma" or "OU"). The team is currently a member of the Big 12 Conference, which is in Division I Football Bowl Subdivision (formerly Division I-A) of the National Collegiate Athletic Association (NCAA). The program began in 1895 and is one of the most successful programs since World War II with the most wins (606) and the highest winning percentage (.762) since 1945. The program has 7 national championships, 45 conference championships, 154 All-Americans (76 consensus), and five Heisman Trophy winners. In addition, the school has had 23 members (five coaches and 18 players) inducted into the College Football Hall of Fame and holds the record for the longest winning streak in Division I history with 47 straight victories, a record that stands to this day. Oklahoma is also the only program that has had four coaches with 100+ wins. They became the sixth NCAA FBS team to win 850 games when they defeated the Kansas Jayhawks on November 22, 2014. The Sooners play their home games at Gaylord Family Oklahoma Memorial Stadium in Norman, Oklahoma. Lincoln Riley is currently the team's head coach.
Document 5: Oklahoma Sooners football: The Oklahoma Sooners football program is a college football team that represents the University of Oklahoma (variously "Oklahoma" or "OU"). The team is currently a member of the Big 12 Conference, which is in Division I Football Bowl Subdivision (formerly Division I-A) of the National Collegiate Athletic Association (NCAA). The program began in 1895 and is one of the most successful programs since World War II with the most wins (606) and the highest winning percentage (.762) since 1945. The program has 7 national championships, 45 conference championships, 154 All-Americans (76 consensus), and five Heisman Trophy winners. In addition, the school has had 23 members (five coaches and 18 players) inducted into the College Football Hall of Fame and holds the record for the longest winning streak in Division I history with 47 straight victories, a record that stands to this day. Oklahoma is also the only program that has had four coaches with 100+ wins. They became the sixth NCAA FBS team to win 850 games when they defeated the Kansas Jayhawks on November 22, 2014. The Sooners play their home games at Gaylord Family Oklahoma Memorial Stadium in Norman, Oklahoma. Lincoln Riley is currently the team's head coach.
Document 6: 2006 Oklahoma Sooners football team: The 2006 Oklahoma Sooners football team represented the University of Oklahoma in the 2006 NCAA Division I FBS football season, the 112th season of Sooner football. The team was led by two-time Walter Camp Coach of the Year Award winner, Bob Stoops, in his eighth season as head coach. They played their homes games at Gaylord Family Oklahoma Memorial Stadium in Norman, Oklahoma. They were a charter member of the Big 12 Conference.
Document 7: 1956 Oklahoma Sooners football team: The 1956 Oklahoma Sooners football team (variously "Oklahoma", "OU", or the "Sooners") represented the University of Oklahoma in the 1956 college football season. It was the 62nd season of play for the Sooners. The team was led by Hall of Fame head coach Bud Wilkinson. They were led on offense by quarterback Jim Harris, and played their home games at Oklahoma Memorial Stadium in Norman, Oklahoma.
Document 8: 2016 Oklahoma Sooners football team: The 2016 Oklahoma Sooners football team represented the University of Oklahoma in the 2016 NCAA Division I FBS football season, the 122nd season of Sooner football. The team was led by two-time Walter Camp Coach of the Year Award winner, Bob Stoops, in his 18th season as head coach. They played their home games at Gaylord Family Oklahoma Memorial Stadium in Norman, Oklahoma. They are a charter member of the Big 12 Conference.
Document 9: 2010 Oklahoma Sooners football team: The 2010 Oklahoma Sooners football team represented the University of Oklahoma in the 2010 NCAA Division I FBS football season, the 116th season of Sooner football. The team was led by two-time Walter Camp Coach of the Year Award winner, Bob Stoops, in his 12th season as head coach. They played their home games at Gaylord Family Oklahoma Memorial Stadium in Norman, Oklahoma. They were a charter member of the Big 12 Conference.
Document 10: 1960 Missouri Tigers football team: The 1960 Missouri Tigers football team was an American football team that represented the University of Missouri in the Big Eight Conference (Big 8) during the 1960 college football season. The team compiled an 11–0 record (7–0 against Big 8 opponents), won the Big 8 championship, defeated Navy in the 1961 Orange Bowl, was ranked No. 5 in the final AP Poll, and outscored opponents by a combined total of 295 to 93. Dan Devine was the head coach for the third of 13 seasons. The team played its home games at Memorial Stadium in Columbia, Missouri.
Document 11: List of Oklahoma Sooners head football coaches: 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.
Document 12: 1960 Oklahoma State Cowboys football team: The 1960 Oklahoma State Cowboys football team represented Oklahoma State University–Stillwater during the 1960 college football season. The 1960 season was Oklahoma State's first as a member of the Big Eight Conference. In their sixth season under head coach Cliff Speegle, the Cowboys compiled a 3–7 record (2–5 against conference opponents), tied for sixth place in the conference, and were outscored by opponents by a combined total of 126 to 102.
Document 13: 1960 Oklahoma Sooners football team: 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.
Document 14: 1967 Oklahoma Sooners football team: The 1967 Oklahoma Sooners football team represented the University of Oklahoma during the 1967 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 Chuck Fairbanks. The Sooners defeated Tennessee, 26–24, to win the Orange Bowl in Miami, Florida.
Document 15: 1978 St. Louis Cardinals (NFL) season: The 1978 St. Louis Cardinals season was the team's 59th year with the National Football League and the 19th season in St. Louis. The controversial recruitment of 62-year-old former Oklahoma Sooners coach Bud Wilkinson was a failure, as the team, already affected by becoming the first opponent team to lose visiting the expansion Buccaneers, failed to maintain the standard of the previous four seasons. The team lost its first eight games to be out of the running for the playoffs by midseason, and even a sequence of six wins in eight games failed to move the team beyond equal last in its division.
ground_truth: April 23, 1916