Question: When was the former American football player, who served as interim head coach at Texas A&M University and an American public land-grant, sea-grant, and space-grant research university on a 2000 acre campus in Gainesville, Florida, born?

Context paragraphs:
Ron Mitchell (coach): Ron Mitchell (born September 29, 1938) is a former American football and basketball coach.  He served as the men's basketball head coach at Boston University from 1971 to 1974, at Grinnell College from 1974 to 1976, and at Kentucky State University for one season in 1981–82.  Mitchell was the interim women's basketball coach at Kentucky State in 1980–1981 and the women's basketball head coach at Alabama State University from 1986 to 1998.  He was also the interim head football head coach at Kentucky State for the final five games on the 1982 season and the interim football head coach at Alabama State for the 1985 season.

Gary Darnell: Gary Brent Darnell (born October 15, 1948) is a former American football player and coach at the college level.  Darnell is native of Arkansas and an alumnus of Oklahoma State University, where he played college football.  A long-time defensive coordinator, Darnell was also previously the head coach at Western Michigan University and Tennessee Technological University, as well as the interim head coach at the University of Florida and Texas A&M University.

Ernie Hefferle: Ernest Edward Hefferle (January 12, 1915 – August 8, 2000) was an American football player and coach.  He served as head football coach at Boston College from 1960 to 1961 and as the interim head coach for the New Orleans Saints of the National Football League (NFL) in 1975.  A football star at Duquesne University, Hefferle pulled in a fourth quarter bomb from Boyd Brombaugh to win the 1937 Orange Bowl for the Dukes.  He served as a high school coach in South Huntingdon, Pennsylvania and Tarentum, Pennsylvania from 1947 to 1950.  From 1951 to 1958, he was assistant coach at the University of Pittsburgh.  In 1959, he was an assistant under Mike Nixon with the Washington Redskins.  He was head coach of the Boston College Eagles from 1960 to 1961, where he had a 7–12–1 record.  On December 21, 1961 he resigned his position as head coach.  From 1962 to 1964 and from 1966 to 1971, he was again and assistant at the University of Pittsburgh.  In 1965, he served under former boss Mike Nixon on the Pittsburgh Steelers coaching staff.  In 1975 Hefferle, then the Saints' director of pro personnel was hired as interim head after the firing of John North.  He had a record 1–7 in his one half season as the Saints interim head coach.

John Gutekunst: John Gutekunst (born April 13, 1944) is an American football coach and former player.  He is currently the inside linebackers coach for North Carolina A&T State University.  He served as the head football coach at the University of Minnesota from 1985 to 1991, compiling a record of 29–37–2.  Gutekunst came to Minnesota in 1984 as an assistant coach and took over as interim head coach in 1985 for the Independence Bowl after Lou Holtz left the team to become the head coach at Notre Dame.  Gutekunst was promoted to head coach before the next season.  He has also served as an assistant coach at Duke University, Virginia Polytechnic Institute and State University, Wake Forest University, Rutgers University, the University of Rhode Island, the University of South Carolina, the University of North Carolina at Chapel Hill, and East Carolina University.  He joined the East Carolina staff in October 2009, taking over for Rock Roggeman, who left on indefinite medical leave.  Gutekunst is an alumnus of Duke University, where he played football and baseball.

Florida State University: Florida State University (commonly referred to as Florida State or FSU) is an American public space-grant and sea-grant research university.  Its primary campus is located on a 1,391.54-acre (5.631 km2) campus in Tallahassee, Florida, United States.  It is a senior member of the State University System of Florida.  Founded in 1851, it is located on the oldest continuous site of higher education in the state of Florida.

Rick Venturi: Rick Venturi (born February 23, 1946) is a former American football player and coach.  He served as the head coach at Northwestern University and as longtime National Football League assistant coach known for his defense.  As the head coach at Northwestern from 1978 to 1980, Venturi's record was 1–31–1.  He coached the beginning segment the Northwestern Wildcats' NCAA Division I record 34-game losing streak.  Venturi has served as the defensive coordinator with the Indianapolis Colts, Cleveland Browns, New Orleans Saints, and St. Louis Rams.  Venturi also served as an interim head coach, in 1991 with the Colts and 1996 with the Saints.  As a head coach in the NFL, his career record stands at 2–17.

University of Florida: The University of Florida (commonly referred to as Florida or UF) is an American public land-grant, sea-grant, and space-grant research university on a 2000 acre campus in Gainesville, Florida.  It is a senior member of the State University System of Florida and traces its origins to 1853, and has operated continuously on its Gainesville campus since September 1906.

John Mumford (American football): John Mumford (born December 25, 1956) is an American football coach and former player.  He is currently the defensive line coach at New Mexico State University.  Mumford served as the head coach at Southeast Missouri State University from 1990 to 1999, as the interim head coach at Army for seven games in 2003, and as the interim head coach at Louisiana-Monroe.

John Torchetti: John Torchetti (born July 9, 1964) is a former American ice hockey player, and current assistant coach for the Detroit Red Wings of the National Hockey League (NHL).  Torchetti previously served as the head coach for the San Antonio Rampage of the American Hockey League (2002–2003), the Moncton Wildcats of the QMJHL (2006–2007), the Iowa Wild of the American Hockey League (2014–2016), and interim head coach of the Minnesota Wild of the National Hockey League (2016).  He also served as an assistant coach with the Tampa Bay Lightning, Atlanta Thrashers, and Chicago Blackhawks; Kontinental Hockey League's HC CSKA Moscow.  Torchetti was also the interim head coach for the Florida Panthers, and the Los Angeles Kings.

Ruffin McNeill: Ruffin Horne McNeill Jr. (born October 8, 1958) is an American football coach and former player.  He is currently the assistant head coach and defensive tackles coach at the University of Oklahoma.  He was previously the assistant head coach and defensive line coach at the University of Virginia.  McNeill also served as the head coach of the East Carolina Pirates from 2010 to 2015.  Before being named head coach of the Pirates, McNeill served the Texas Tech Red Raiders as an interim head coach, assistant head coach, special teams coordinator, and linebackers coach.  On December 28, 2009, he was named interim head coach of the Red Raiders following the suspension and later firing of head coach Mike Leach.  He served in the position until the hiring of Tommy Tuberville, who subsequently released him as defensive coordinator.

Supporting paragraphs: Gary Darnell University of Florida
Answer: October 15, 1948