question: Cleve Bryant, is a former American football player and coach, and worked for which former American college football coach, at the University of North Carolina at Chapel Hill?
answer: Mack Brown
context: Title: Bob Fetzer
  Passage: Robert Allison "Bob" Fetzer (September 9, 1887 – May 19, 1968) was an American football coach, track and field coach, and college athletics administrator.  He served as the head football coach at Davidson College in 1914 and as co-head football coach at the University of North Carolina at Chapel Hill with his brother, Bill, from 1921 to 1925, compiling a career college football record of 35–13–5.  Fetzer was also the head track coach at North Carolina from 1921 to 1952 and the school's athletic director from 1923 to 1952.
  Title: Mack Brown
  Passage: William Mack Brown (born August 27, 1951) is a former American college football coach.  He was most recently head football coach of the Texas Longhorns football team of the University of Texas at Austin.  He is currently a college football commentator for ESPN.
  Title: Dick Bestwick
  Passage: Dick Bestwick (born August 18, 1930) is a former American football player, coach, and college athletics administrator.  He served as the head football coach of the University of Virginia from 1976 to 1981, compiling a record of 16–49–1.  A native of Grove City, Pennsylvania, he played college football at the University of North Carolina at Chapel Hill, graduating from the school in 1952.  Bestwick received his Masters in Education from Pennsylvania State University.  Prior to his tenure at Virginia, Bestwick spent 1954 to 1962 as a high school football coach at three different schools including his alma mater, Grove City High School, and 1967 to 1975 as an assistant coach at Georgia Institute of Technology.  Bestwick was hired as the head football coach at Marshall University in 1971 after the 1970 plane crash that took the lives of most of the university's football team and coaching staff.  He left the position after two days on the job and returned to Georgia Tech.
  Title: Cleve Bryant
  Passage: Cleve Bryant (born March 27, 1947) is a former American football player and coach.  He served as the head football coach at Ohio University from 1985 to 1989.  Bryant was later the Associate Athletics Director for Football Operations for the Texas Longhorns football team.  His responsibilities ranged from administrative operations to scheduling, as well as day-to-day operations of the football team and its facilities.  Bryant worked for Mack Brown at the University of North Carolina at Chapel Hill and followed Brown to the University of Texas at Austin in 1998.  Bryant was the wide receiver coach at Texas under John Mackovic from 1992 to 1994, before he joined Brown's staff at North Carolina.
citations: Cleve Bryant Mack Brown