Question: Where did the head coach of the 2016 Iowa Hawkeyes team coach in 1991?

Context articles: 1991–92 Iowa Hawkeyes men's basketball team
1892 Iowa Hawkeyes football team
Ken O'Keefe
2016 Iowa Hawkeyes football team
Iowa Hawkeyes football
Kirk Ferentz
2015 Iowa Hawkeyes football team
1897 Iowa Hawkeyes football team
1988 Iowa Hawkeyes football team
2009 Iowa Hawkeyes football team

The 1991–92 Iowa Hawkeyes men's basketball team represented the University of Iowa as members of the Big Ten Conference.
 The team was led by sixth-year head coach Tom Davis and played their home games at Carver-Hawkeye Arena.
 They ended the season 19–11 overall and 10–8 in Big Ten play to finish in fifth place.
 The Hawkeyes received an at-large bid to the NCAA Tournament as #9 seed in the East Region.
 After defeating Texas 98-92 in the first round, the Hawkeyes lost to #1 seed Duke 75-62 in the Round of 32.
 It was the second consecutive season Iowa lost to the eventual National Champion Blue Devils.
The 1892 Iowa Hawkeyes football team represented the University of Iowa during the 1892 college football season.
 The season involved many 'firsts' for the Hawkeyes.
 After going three years without a conference, Iowa joined the Western Interstate University Football Association, along with Nebraska, Missouri, and Kansas.
 But in another first, Edward A. Dalton, formerly of Princeton University, was hired as Iowa's head coach.
 Although he was only hired for 10 days prior to the season, he is recognized as Iowa's first head coach.
Ken O'Keefe (born August 18, 1953) is an American football coach and former player.
 He is currently the Quarterbacks coach for the Iowa Hawkeyes football team, a position he assumed in January 2017.
 O'Keefe has previously served as the offensive coordinator for the Iowa Hawkeyes football team from 1999 to 2011.
 He was the head football coach at the Allegheny College from 1990 to 1997 and at Fordham University in 1998, compiling a career college football record of 83–17–1.
 In O'Keefe's first season at Allegheny, in 1990, his team went 13–0–1 and won the NCAA Division III National Football Championship.
The 2016 Iowa Hawkeyes football team represented the University of Iowa in the 2016 NCAA Division I FBS football season.
 The Hawkeyes, led by 18th-year head coach Kirk Ferentz, were members of the West Division of the Big Ten Conference and played their home games at Kinnick Stadium in Iowa City, Iowa.
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.
Kirk James Ferentz (born August 1, 1955) is the head football coach at the University of Iowa, a position he has held since the 1999 season.
 From 1990 to 1992, Ferentz was the head football coach at the University of Maine, where had a record of 12-21.
 He has also served as an assistant coach with the Cleveland Browns and Baltimore Ravens of the National Football League (NFL).
 Ferentz played college football as a linebacker at the University of Connecticut from 1974 to 1976.
The 2015 Iowa Hawkeyes football team represented the University of Iowa in the 2015 NCAA Division I FBS football season.
 The Hawkeyes, led by 17th year head coach Kirk Ferentz, were members of the West Division of the Big Ten Conference and played their home games at Kinnick Stadium.
 Despite modest expectations entering the season, the team finished 12–2 overall and 8–0 in Big Ten play to win the West Division.
 After losing a classic to Michigan State in the Big Ten Championship Game, the Hawkeyes were invited to the 2016 Rose Bowl where they were beaten by Stanford.
 The team established a new single-season school record for wins.
The 1897 Iowa Hawkeyes football team represented the University of Iowa during the 1897 college football season.
 The team was coached by Otto Wagonhurst, the last coach in Iowa Hawkeyes football history to coach for only one season.
 The next year, Iowa hired Alden Knipe as the team's head coach.
The 1988 Iowa Hawkeyes football team represented the University of Iowa in the 1988 NCAA Division I-A football season.
 The Hawkeyes played their home games at Kinnick Stadium and were led by legendary coach Hayden Fry.
 The 1988 season marked the 100th season of Iowa Hawkeyes football.
The 2009 Iowa Hawkeyes football team represented the University of Iowa and the Iowa Hawkeyes athletic program during the 2009 NCAA Division I FBS football season.
 The team played its home games at Kinnick Stadium in Iowa City, Iowa.
 2009 marked Kirk Ferentz's 11th year as head coach of Iowa.
 The Hawkeyes finished the season as the 2010 Orange Bowl Champions.