Question: Which American football coach was attached to the College of San Mateo, the San Francisco 49ers and the Stanford Cardinals during his career?

full_context: Document 1: List of Oakland Raiders head coaches: There have been 20 head coaches for the Oakland Raiders of the National Football League (NFL). The Raiders franchise was founded in Oakland, California in 1959 and became the eighth member of the American Football League (AFL) in 1960 as a replacement for the Minnesota Vikings, who had moved to the NFL. The Raiders joined the NFL in 1970, after the AFL–NFL merger. They played in Los Angeles between 1982 and 1995, before returning to Oakland. As of the end of the 2015 season, the Raiders have played 852 games in a total of 56 seasons in the AFL and NFL. In those games, two coaches have won the Super Bowl with the team: John Madden in 1976 and Tom Flores in 1980 and 1983. One coach, John Rauch in 1966, won the AFL Championship. Three other coaches, Art Shell, Jon Gruden and Bill Callahan, have also taken the Raiders to the playoffs. Callahan led the Raiders to the Super Bowl. He did this in his first year as head coach of the team.
Document 2: 1981 San Francisco 49ers season: The 1981 San Francisco 49ers season was their 32nd season in the National Football League. Under third-year head coach Bill Walsh, the team finished the regular season with a 13–3 record. The season would be one of the franchise's most successful seasons to that point and would be 'the birth of a dynasty', when the 49ers began their decade of dominance. The 49ers drew an average home attendance of 54,399 in the 1981 NFL season.
Document 3: Bill Walsh (producer): Bill Walsh (September 30, 1913 – January 27, 1975) was a comic author, film producer and screenwriter who primarily worked on live-action films for Walt Disney Productions. He was born in New York City. For his work on "Mary Poppins", he shared Academy Award nominations for Best Picture with Walt Disney, and for Best Writing, Screenplay Based on Material from Another Medium with Don DaGradi. He died in Los Angeles and was interred in Glendale's Forest Lawn Memorial Park Cemetery.
Document 4: Chip Kelly: Chip Kelly (born November 25, 1963) is a former American football coach. He is currently an ESPN analyst for NFL/NCAA football. He was a head coach in the National Football League (NFL) twice, with the Philadelphia Eagles from 2013 until 2015 , and with the San Francisco 49ers in 2016 . Before coaching in the NFL, he was the head coach of the Oregon Ducks from 2009 to 2012, leading the program to four consecutive BCS bowl game appearances including the 2011 BCS National Championship Game.
Document 5: David Shaw (American football): David Lorenzo Shaw (born July 31, 1972) is the head coach of the Stanford Cardinal football team. Shaw was the team's offensive coordinator for the entire tenure of head coach Jim Harbaugh from 2007 to 2010. Previously, Shaw was a four-year letter winner playing as a wide receiver for the Cardinal from 1991 to 1994, where he was coached by Dennis Green and Bill Walsh. Prior to returning to Stanford as offensive coordinator, Shaw was Harbaugh's passing game coordinator at the University of San Diego and an assistant coach in the NFL for the Philadelphia Eagles, Oakland Raiders, and Baltimore Ravens.
Document 6: Bill Curry: William Alexander "Bill" Curry (born October 21, 1942) is a retired American football coach and former player.
Document 7: Tom Bass (American football): Tom Bass is a retired American football coach who spent 30 years as an assistant with the Cincinnati Bengals, Tampa Bay Buccaneers, and San Diego Chargers. He played at San Jose State University as a lineman until a bout of polio left him unable to play football. He then served as an undergraduate coach, and upon graduation, as an assistant under Don Coryell. He later worked on the Chargers staff with Sid Gillman, the Bengals staff with Paul Brown, and the Buccaneers staff under John McKay. He joined the Buccaneers in their inaugural season as their director of pro scouting, and unofficially took over the offensive coordinator role when John Rauch resigned. By the next season, he had become the team's defensive coordinator. He is credited with designing the Tampa Bay defense that ranked at or near the top of the league from 1978 to 1981. He left Tampa Bay before the 1982 NFL season to join the Chargers, tasked with improving their league-last pass defense. He was also noted for teaching clinics to help female fans understand the game of football, and for having written two volumes of poetry. He has published several books of football drills and instructional techniques.
Document 8: Brian Allen (running back): Brian Allen was an NFL player for the San Francisco 49ers and Indianapolis Colts from 2002-2005. He played at Stanford University from 1998–2001 and surpassed 2,100 yards in rushing during his collegiate career. Brian graduated from Stanford University in 2002 and is currently the 7th leading rusher in Stanford football history. After his NFL career, Brian worked as a corporate paralegal at Wilson Sonsini Goodrich & Rosati and as an investment banking analyst at WR Hambrecht + Co. At WR Hambrecht + Co, Brian worked on several transactions during his tenure, the most notable being the United Football League with William Hambrecht (Hambrecht & Quist). Brian currently resides in the San Francisco Bay Area with his wife and works for Mark Curtis at Graystone Consulting, an investment consulting division of Morgan Stanley Smith Barney. In his free time, Brian runs Champion Boot Camp, the Silicon Valley's #1 performance fitness boot camp and elite training S.A.Q. program for men, women, and elite high school and college athletes.
Document 9: Matt Millen: Matthew George "Matt" Millen (born March 12, 1958) is an American former National Football League linebacker, and former executive. Millen played for the Oakland Raiders, the San Francisco 49ers and the Washington Redskins. In Millen's 12-year NFL playing career, he played on four teams that won the Super Bowl. Millen won a Super Bowl ring with each of the three teams for which he played; moreover, he won a Super Bowl ring in each of the four cities in which he played (the Raiders won championships in both Oakland and Los Angeles during his tenure).
Document 10: List of San Francisco 49ers head coaches: There have been 19 head coaches in the history of the San Francisco 49ers professional football franchise. The San Francisco 49ers franchise was formed in 1946 as a charter member of the All-America Football Conference (AAFC) before joining the National Football League (NFL) in 1950 after the AAFC merger with the NFL. Buck Shaw became the first head coach of the 49ers in 1946, serving for nine seasons—four in the AAFC and five in the NFL. He coached a number of future College and Pro Football Hall of Famers, such as Frankie Albert, Joe Perry, Leo Nomellini, Y. A. Tittle, Bob St. Clair and Hugh McElhenny. In terms of tenure, Bill Walsh has coached more games (152) and more complete seasons (10) than any other head coach in 49ers franchise history. He led the 49ers to playoff appearances in seven seasons, three of which led to the Super Bowl championship, in 1981, 1984 and 1988. Jerry Rice, Joe Montana, Charles Haley, Ronnie Lott, Johnny Davis, Roger Craig, Fred Dean and Steve Young are among the players Walsh has coached in his career.
Document 11: Bill Walsh (American football coach): William Ernest Walsh (November 30, 1931 – July 30, 2007) was an American football coach. He served as head coach of the San Francisco 49ers and the Stanford Cardinal football team, during which time he popularized the West Coast offense. After retiring from the 49ers, Walsh worked as a sports broadcaster for several years and then returned as head coach at Stanford for three seasons.
Document 12: Joe Montana: Joseph Clifford Montana Jr. (born June 11, 1956), nicknamed "Joe Cool" and "The Comeback Kid", is a former American football quarterback who played in the National Football League (NFL) for 16 seasons, primarily with the San Francisco 49ers and then with the Kansas City Chiefs for the final two seasons of his NFL career. After winning a college national championship at Notre Dame, Montana started his NFL career in 1979 with San Francisco, where he played for the next 14 seasons.. While a member of the 49ers, Montana started and won four Super Bowls and was the first player ever to have been named Super Bowl Most Valuable Player three times. He also holds Super Bowl career records for most passes without an interception (122 in 4 games) and the all-time highest quarterback rating of 127.8. Montana was elected to the Pro Football Hall of Fame in 2000, his first year of eligibility.
Document 13: Bill Parcells: 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. He rose to prominence as the head coach of the New York Giants, whom he led to two Super Bowl titles. Parcells later served as the head coach of the New England Patriots, New York Jets, and Dallas Cowboys. Throughout his career, he coached teams that were in a period of decline and turned them into postseason contenders. 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.
Document 14: Bill Cowher: William Laird Cowher (born May 8, 1957) is a former professional American football coach and player in the National Football League (NFL). In Cowher's 15 seasons as head coach of the Pittsburgh Steelers, the team won eight division titles and made 10 playoff appearances. Cowher led the Steelers to the Super Bowl twice, winning one. He is the second coach in NFL history to reach the playoffs in each of his first six seasons as head coach, a feat previously accomplished by Paul Brown. Cowher resigned as head coach of the Steelers on January 5, 2007, 11 months after winning Super Bowl XL in 2006 over the Seattle Seahawks. Cowher was replaced by current Steelers head coach Mike Tomlin. Before being hired by the Steelers in 1992, Cowher served as an assistant coach for the Cleveland Browns and Kansas City Chiefs under head coach Marty Schottenheimer. He is currently a studio analyst for "The NFL Today".
Document 15: Tom Martinez: Tom Martinez (February 21, 1946 – February 21, 2012) was an American football coach. He coached at the College of San Mateo until 2005, when he retired due to health concerns. He coached at the College of San Mateo after Bill Walsh and John Madden. The College of San Mateo Football program traditionally has a very high ranking team and draws players from all over the country. It is interesting to note that NFL Alumni John Madden, of the Oakland Raiders & Bill Walsh, of the SF 49ers, both played & coached at the College of San Mateo early in their careers. Bill Walsh was claimed to be the best NFL Coach ever and later retired from the 49ers to become the athletic director at Stanford University. (Ref. the College of San Mateo Football & Sports Hall of Fame websites for info on Martinez, Walsh, Madden & others). Prior to the passings of Tom Martinez, he was inducted into the College of San Mateo Sports Hall of Fame. Many of his former College of San Mateo Football Players remember Tom as taking a Military Drill Sergeant type approach to Coaching at the College level. Tom had a passion for conducted private coaching sessions with quarterbacks of all ages & from all around the country.
ground_truth: Bill Walsh