Question: Which defensive coordinator of the Arizona Sun Devil's Football also succeeded Mike Cavan as coach of Southern Methodist University?

full_context: Document 1: Keith Patterson: Keith Patterson (born May 20, 1964) is an American football coach. He is defensive coordinator for the Arizona State Sun Devils football team. Patterson was previously the defensive coordinator and linebackers coach for the West Virginia Mountaineers. Before one season at West Virginia, Patterson was previously the defensive coordinator for the Arkansas State Red Wolves on January 4, 2012, only to resign from the position six weeks later to join the West Virginia coaching staff. Prior to his arrival at Arkansas State, Patterson was elevated from defensive coordinator to interim head coach following the resignation of Todd Graham on December 13, 2011, at Pittsburgh.
Document 2: 1998 SMU Mustangs football team: The 1998 SMU Mustangs football team represented Southern Methodist University in the 1998 NCAA Division I-A football season as members of the Western Athletic Conference (WAC) in the Mountain Division. They played their home games at the Cotton Bowl in Dallas, Texas. Head coach Mike Cavan returned for his second season leading SMU, following a 6–5 season in 1997, SMU's first winning season since the 1987–88 SMU "death penalty" was handed down by the NCAA, the highest punishment possible in the association. SMU finished the season 5–7 (4–4 WAC), but SMU vacated 10 games after Steve Malin was found to have been ineligible due to academic fraud.
Document 3: Tony Bennett (basketball): Anthony Guy Bennett (born June 1, 1969) is the head coach of the Virginia Cavaliers men's basketball team since March 31, 2009. Bennett is regarded as the best defensive coach in the NCAA (according to a 2015 CBS Sports survey of opposing coaches) and his motion offense is praised as one of the most efficient and elite. He is a two-time winner of the prestigious Henry Iba Award for the nation's top coach as voted by the USBWA, and has also won the Jim Phelan Award and other National Coach of the Year honors from the AP and Naismith.
Document 4: Matt Cavanaugh: Matthew Andrew Cavanaugh (born October 27, 1956) is an American football coach and former player who is the offensive coordinator for the Washington Redskins of the National Football League (NFL). He is a former American football quarterback in the NFL who played from 1978 to 1991. In the course of his career as a professional football player, he earned two Super Bowl rings. Since his retirement, Cavanaugh has worked as an offensive coach and coordinator, for teams including the San Francisco 49ers, the Chicago Bears, and the Baltimore Ravens, where he earned a third Super Bowl ring as a coach.
Document 5: Ben Bennett: Ben Bennett (born May 5, 1962) is a former American football quarterback and coach. He has been involved in professional football as a player and coach since 1984. After a successful college career at Duke University, Bennett played in the National Football League (NFL), the United States Football League (USFL), the Arena Football League (AFL), and the World League of American Football (WLAF). He coached in the AFL and af2. He was inducted into the Arena Football Hall of Fame as a player in 2000.
Document 6: Kevin Steele: Kevin Steele (born May 17, 1958) is an American football coach and former player. He is the current defensive coordinator for Auburn Tigers. Prior to that, he was the defensive coordinator at LSU and coached inside linebackers for the football team at Alabama. Previously, he was the defensive coordinator at Clemson University from 2009 until early 2012. From 1999 to 2002, Steele served as the head football coach at Baylor University, compiling a record of 9–36 overall and 1–31 in the Big 12 Conference.
Document 7: 2012 SMU Mustangs football team: The 2012 SMU Mustangs football team represented Southern Methodist University in the 2012 NCAA Division I FBS football season as members of Conference USA in the West Division. June Jones led the Mustangs in his fifth season. The Mustangs played home games in University Park, Texas (an enclave of Dallas, Texas) at Gerald J. Ford Stadium. This was SMU's last year as a member of Conference USA as they will join the Big East Conference in 2013. They finished the season 7–6, 5–3 in C-USA play to finish in second place in the West Division. They were invited to the Hawaii Bowl where they defeated Fresno State.
Document 8: SMU Mustangs football under Tom Rossley: Tom Rossley was the coach of the Southern Methodist University's football team from 1991 to 1996. He compiled a 15–48–3 record, and was succeeded by Mike Cavan.
Document 9: SMU Mustangs football under Mike Cavan: Mike Cavan was the coach of the Southern Methodist University's football team from 1997 to 2001. He compiled a 22–34–0 record, and was succeeded by Phil Bennett.
Document 10: 1997 SMU Mustangs football team: The 1997 SMU Mustangs football team represented Southern Methodist University in the 1997 NCAA Division I-A football season as members of the Western Athletic Conference (WAC) in the Mountain Division. They played their home games at the Cotton Bowl in Dallas, Texas. Under first-year head coach Mike Cavan and ten years after the NCAA's 1987 "death penalty" on SMU football, SMU finished the 1997 season with a 6–5 record and completed their first winning season since the football program resumed operations in 1989.
Document 11: Mike Cavan: Mike Cavan (born April 15, 1948) is a former American football player and coach. He served as the head coach at Valdosta State University (1986–1991), East Tennessee State University (1992–1996) and Southern Methodist University (1997–2001), compiling a career college football record of 89–83–2. Cavan played as a quarterback at the University of Georgia from 1968 to 1970 and was an assistant coach there from 1977 to 1985.
Document 12: 2010 SMU Mustangs football team: The 2010 SMU Mustangs football team represented Southern Methodist University in the 2010 NCAA Division I FBS football season. The Mustangs, led by third-year head coach June Jones, were members of Conference USA in the West Division and played their home games at Gerald J. Ford Stadium.
Document 13: Phil Bennett (American football): Phil Bennett (born December 3, 1955) is an American football coach and former player. He is the defensive coordinator at Arizona State Sun Devils. Prior to this position, he served as the defensive coordinator for the Baylor Bears from 2011-2016, and was interim head coach of the Pittsburgh Panthers during their 2011 BBVA Compass Bowl win over Kentucky after serving as defensive coordinator of the Panthers for three seasons. Prior to coaching the Panthers, he served as the head football coach at Southern Methodist University (SMU) from 2002 to 2007. Before his stint at SMU, he served as an assistant coach at seven different colleges.
Document 14: 2011 Pittsburgh Panthers football team: The 2011 Pittsburgh Panthers football team represents the University of Pittsburgh in the 2011 NCAA Division I FBS football season. The Panthers were led through the regular season by first-year head coach Todd Graham and played eight home games at Heinz Field. Defensive coordinator Keith Patterson was named interim coach for the season-ending bowl game after Graham resigned in favor of a head coaching position at Arizona State. They are a member of the Big East Conference.
Document 15: Buddy Ryan: James David "Buddy" Ryan (February 17, 1931 – June 28, 2016) was an American football coach in the National Football League (NFL) and American Football League (AFL). During his 35-season coaching career, Ryan served as the head coach of the Philadelphia Eagles and Arizona Cardinals, and the defensive coordinator of the Chicago Bears and Houston Oilers of the NFL.
ground_truth: Phil Bennett