Question: Who coached the team for which Oliver Ross played college football? 

full_context: Document 1: Ross Coyle: Charles Ross Coyle (born March 23, 1937) is a former American football player who played one season with the Los Angeles Rams of the National Football League (NFL). He was drafted by the Rams in the 20th round of the 1959 NFL Draft. He played college football for the Oklahoma Sooners of the University of Oklahoma and attended Marlow High School in Marlow, Oklahoma. Coyle was also a member of the Toronto Argonauts and Calgary Stampeders of the Canadian Football League.
Document 2: Texas A&amp;M Aggies football: The Texas A&M Aggies football program represents Texas A&M University in the sport of American football. The Aggies compete in the Football Bowl Subdivision (FBS) of the National Collegiate Athletic Association (NCAA) and the Western Division of the Southeastern Conference (SEC). Texas A&M football claims three national titles and eighteen conference titles. The team plays all home games at the newly redeveloped Kyle Field, a 102,733-person capacity outdoor stadium on the university campus. Kevin Sumlin is currently the team's head coach.
Document 3: Ross Travis: Ross John Travis (born January 9, 1993) is an American football tight end for the Kansas City Chiefs of the National Football League (NFL). He played college basketball at Penn State and did not play college football. He signed with the Chiefs in 2015.
Document 4: List of Iowa State Cyclones in the NFL Draft: The Iowa State Cyclones college football team competes as part of the National Collegiate Athletic Association (NCAA) Division I Football Bowl Subdivision (FBS), and represents the Iowa State University in the Big 12 Conference (Big 12). ISU has had 123 players drafted into the National Football League (NFL) since the first draft held in 1936, through the 2016 NFL Draft. ISU has only seen one player taken in the first round, George Amundson with the 14th overall pick in the 1973 NFL Draft by the Houston Oilers. Troy Davis was drafted in the third round of the 1997 NFL draft by the New Orleans Saints, he has since been inducted into the College Football Hall of Fame. Kelechi Osemele was drafted in the second round of the 2012 NFL draft by the Baltimore Ravens; he went on to win Super Bowl XLVII with the Ravens as their starting right tackle. Six former Cyclones who were drafted have been selected to a Pro Bowl or AFL All-Star Game.
Document 5: Oliver Ross: Oliver Calvin Ross (born September 27, 1974) is a former American football offensive lineman. He was drafted by the Dallas Cowboys in the fifth round of the 1998 NFL Draft. He played college football at Iowa State. He also was a member of the Philadelphia Eagles, Pittsburgh Steelers, New England Patriots and the Arizona Cardinals.
Document 6: Derrick Ross: Derrick Lewis Ross (born December 29, 1983) is an American football/arena football running back for the Jacksonville Sharks of the National Arena League (NAL). He played one season with the Kansas City Chiefs (2006). Ross played college football at Blinn College and Tarleton State University.
Document 7: 2011–12 Iowa State Cyclones men's basketball team: The 2011–12 Iowa State Cyclones men's basketball team represents Iowa State University during the 2011–12 NCAA Division I men's basketball season. The Cyclones were coached by Fred Hoiberg, who was in his 2nd season. They played their home games at Hilton Coliseum in Ames, Iowa and competed in the Big 12 Conference.
Document 8: 2011 Oklahoma State vs. Iowa State football game: The 2011 Oklahoma State vs. Iowa State football game, played November 18, 2011, was an NCAA college football game held between the Oklahoma State Cowboys and the Iowa State Cyclones at Jack Trice Stadium, the home stadium of Iowa State. The game had large implications as Oklahoma State controlled its own destiny for playing in the BCS National Championship Game. In a remarkable upset, Iowa State won in double overtime 37–31.
Document 9: Iowa Hawkeyes football: The Iowa Hawkeyes football team represents the University of Iowa in college football. The Hawkeyes compete in the West division of the Big Ten Conference. They have been a member of the Big Ten since 1899, and are currently a Division I Football Bowl Subdivision (FBS) member of the NCAA. The Hawkeyes play their home games in Iowa City, Iowa at Kinnick Stadium, with a capacity of 70,585. The Hawkeyes are currently coached by Kirk Ferentz, who is in his 19th season as the head coach and is the longest current tenured head coach in NCAA Division I FBS.
Document 10: Derek Ross: Derek Ross (born January 5, 1980, in Rock Hill, South Carolina) is a former American football cornerback in the National Football League for the Dallas Cowboys, Atlanta Falcons, and the Minnesota Vikings. Ross played college football at Ohio State University.
Document 11: Iowa State Cyclones football: The Iowa State Cyclones football is the football team at Iowa State University in Ames, Iowa. The team is coached by Matt Campbell. The Cyclones compete in the Big 12 Conference, and are currently a Division I Football Bowl Subdivision (FBS) member of the NCAA. The Cyclones play their home games at Jack Trice Stadium, with a capacity of 61,500.
Document 12: Iowa State Cyclones wrestling: The Iowa State Cyclones wrestling team represents Iowa State University (ISU) and competes in the Big 12 Conference of NCAA Division I. The team is coached by Kevin Dresser. The Cyclones host their home meets at Hilton Coliseum on Iowa State's campus. Iowa State became the first collegiate wrestling program to reach 1000 dual wins on February 7, 2010.
Document 13: Iowa State Cyclones: The Iowa State Cyclones are the athletic teams that represent Iowa State University. The university is a member of the Big 12 Conference and competes in NCAA Division I, fielding 16 varsity teams (6 men's and 10 women's teams) in 12 sports.
Document 14: Draylen Ross: Draylen Ross (born March 21, 1988) is a former American football tight end. He played college football for North Texas, where he had one reception for 8 yards in his debut game. In 2008 and 2009, Ross played defensive lineman, where he recorded a total of 40 tackles. He was signed by the Chicago Bears as an undrafted free agent in 2011. However, on August 3, 2011, Ross was waived by the Bears. In November 2011, Ross was signed by the Arizona Rattlers of the Arena Football League as a fullback. On January 6, 2012, Ross was re-signed by the Bears and spent the final nine weeks of the season on the practice squad. On August 8, 2012, the Bears released Ross.
Document 15: John Ross (American football): John Ellis Ross III (born November 27, 1995) is an American football wide receiver for the Cincinnati Bengals of the National Football League (NFL). He played college football at the University of Washington, and was drafted by the Bengals ninth overall in the 2017 NFL Draft.
ground_truth: Matt Campbell