Question: John Hollar played college football at a university in which city ?

Context paragraphs:
John Hollar: John Henry Hollar (August 7, 1922 – April 9, 1997) was an American football fullback in the National Football League for the Washington Redskins and the Detroit Lions.  He played college football at Appalachian State University and was drafted in the thirteenth round of the 1948 NFL Draft by the Chicago Cardinals.

John Kowalik: John F. Kowalik, Sr. (May 10, 1910 – January 7, 1978) was an American football player.  He played college football for the University of Michigan from 1931 to 1933.  During Kowalik's three seasons as a starter, the Michigan football team compiled a record of 26–0–0, including consecutive national championships for the 1932 and 1933 teams.  He was a teammate of future President of the United States Gerald Ford on the 1932 and 1933 Michigan teams.  While at Michigan, Kowalik was a member of the Alpha Tau Omega fraternity and the Druids.  He graduated from Michigan in 1934 with a bachelor of science degree in education.  He played professional football for the Ottawa Rough Riders in 1934.  His son, John F. Kowalik, Jr., played college football as a halfback for the University of Michigan from 1960 to 1962.  He lived in Franklin, Michigan in his later years and died in January 1978 in Detroit, Michigan.

Hayden Fry: John Hayden Fry (born February 28, 1929) is a former American football player and coach.  He played college football for Baylor University.  He served as the head coach at Southern Methodist University (1962–1972), North Texas State University, now the University of North Texas (1973–1978), and the University of Iowa (1979–1998), compiling a career college football record of 232–178–10.  He was inducted into the College Football Hall of Fame as a coach in 2003.

Tom Conley (American football): Thomas Conley was an American football player and coach of football and basketball.  Conley played college football at the University of Notre Dame from 1928 to 1930.  He was the captain of the 1930 Notre Dame Fighting Irish football team, which won a national championship.  Conley was named a Second Team All-American as an end that year.  He served as the head football coach at La Salle University from 1931 to 1932 and at John Carroll University from 1936 to 1942, compiling a career college football coaching record of 33–34–7.  Conley was also the head basketball coach at La Salle from 1931 to 1933 and at John Carroll from 1936 to 1943, tallying a career college basketball mark of 86–87.  He worked as an assistant football coach in charge of the ends at his alma mater, Notre Dame, from 1933 to 1935.  A native of Philadelphia, Conley attended Roman Catholic High School there.

Johnny Baker: John W. "Johnny" "Bake" Baker (August 14, 1907 – February 6, 1979) was an American football player and coach.  He played college football at the University of Southern California, where he was a two-time All-American at guard.  Baker served as the head football coach at Iowa State Teachers College—now the University of Northern Iowa (1933–1934), George Washington University (1942), the University of Denver (1948–1952) and Sacramento State College—now California State University, Sacramento (1957–1960), compiling a career college football coaching record of 44–67–4.  He was inducted into the College Football Hall of Fame as a player in 1983.

Johnny Cain: John Lewis "Hurri" "Sugar" Cain (November 17, 1908 – August 18, 1977) was an American football player, coach of football, baseball, and tennis, and college athletics administrator.  He played college football at the University of Alabama, where he was a three-time All-American and a member of the 1930 national championship team that won the Rose Bowl.  Cain served as the head football coach at Southwestern Louisiana Institute, now the University of Louisiana at Lafayette, from 1937 to 1941 and in 1946, compiling a record of 33–19–5.  He was also the head baseball coach at Southwestern Louisiana from 1942 to 1944.  In 1947, Cain moved to the University of Mississippi to serve as backfield coach for the football team under Johnny Vaught.  He was also the head tennis coach at Ole Miss from 1957 to 1973.  Cain was elected to the College Football Hall of Fame as a player in 1973.  He stood 5'10" and weighed 183 pounds.

Appalachian State University: Appalachian State University (also referred to as Appalachian, App State, App, ASU) is a comprehensive (Master's L), public, coeducational university in Boone, North Carolina, United States.

Addison Kelly: Addison W. "King" Kelly (c. 1875 – March 23, 1942) was an American football and baseball player, coach of football, and stockbroker.  He played college football and college baseball at Princeton University, from which he graduated in 1898.  In 1896 and 1897, Addison was selected as a halfback on the College Football All-America Team.  He also played for four seasons as a first baseman on Princeton's baseball team.  In 1900, Kelly served as the head football coach at the University of California, Berkeley, compiling a record of 4–2–1.  He later worked as a stockbroker in association with several Wall Street firms.  Kelly died at the age of 66 on March 23, 1942, at Roosevelt Hospital in New York City.

Milt Piepul: Milton John "Milt" Piepul (September 14, 1918 – March 19, 1994) was an American football player, coach, and college athletics administrator.  He played college football for the Notre Dame Fighting Irish football team.  He was selected as a second-team fullback on the 1939 College Football All-America Team and a third-team player on the 1940 team.  He was drafted by the Detroit Lions with the 95th pick in the 1941 NFL draft and played for the Lions during the 1941 NFL season.  Piepul served as the head football coach at American International College from 1971 to 1975 and as the school's athletic director from 1971 to 1986.  Previously he was an assistant football coach at Dartmouth College, Brown University, and the College of the Holy Cross.

Jackie Fellows: Jack Byron "Jackie" Fellows (January 8, 1922 – July 24, 1993) was an American football player.  He played college football for Los Angeles City College, was selected to the Little All-American team and led the team to the national junior college football championship.  He transferred to California State University, Fresno and played for the Fresno State Bulldogs football team.  During the 1942 college football season, Fellows led Fresno State to a 9-1 record, rushed for 599 yards and completed 82 of 195 passes for 1,314 yards.  He also broke Davey O'Brien's single-season record by throwing 23 touchdown passes.  He was selected by both "Look" magazine and Maxwell Stiles as a first-team halfback on the 1942 College Football All-America Team.  After graduating from college, Fellows was draft in the sixth round of the 1944 NFL Draft by the Washington Redskins, but did not play in the National Football League (NFL).  In 1947, Fellows played for the Ottawa Rough Riders of the Canadian Football League (CFL).  In 1984, Fellows was inducted into the Fresno County Athletic Hall of Fame.

Supporting paragraphs: John Hollar Appalachian State University
Answer: Boone, North Carolina