Question: In what year was the starting quarterback of the 1985 Oklahoma Sooners football team elected to the Pro Football Hall of Fame?

Context paragraphs:
Oklahoma Sooners football: The Oklahoma Sooners football program is a college football team that represents the University of Oklahoma (variously "Oklahoma" or "OU").  The team is currently a member of the Big 12 Conference, which is in Division I Football Bowl Subdivision (formerly Division I-A) of the National Collegiate Athletic Association (NCAA).  The program began in 1895 and is one of the most successful programs since World War II with the most wins (606) and the highest winning percentage (.762) since 1945.  The program has 7 national championships, 45 conference championships, 154 All-Americans (76 consensus), and five Heisman Trophy winners.  In addition, the school has had 23 members (five coaches and 18 players) inducted into the College Football Hall of Fame and holds the record for the longest winning streak in Division I history with 47 straight victories, a record that stands to this day.  Oklahoma is also the only program that has had four coaches with 100+ wins.  They became the sixth NCAA FBS team to win 850 games when they defeated the Kansas Jayhawks on November 22, 2014.  The Sooners play their home games at Gaylord Family Oklahoma Memorial Stadium in Norman, Oklahoma.  Lincoln Riley is currently the team's head coach.

1978 Oklahoma Sooners football team: The 1978 Oklahoma Sooners football team represented the University of Oklahoma in the college football 1978 NCAA Division I-A season.  Oklahoma Sooners football participated in the former Big Eight Conference at that time and played its home games in Oklahoma Memorial Stadium where it has played its home games since 1923.  The team posted an 11–1 overall record and a 6–1 conference record to earn a share of the conference title under head coach Barry Switzer.  This was Switzer's sixth conference title in six seasons since taking the helm in 1973.

1984 Oklahoma Sooners football team: The 1984 Oklahoma Sooners football team represented the University of Oklahoma in the college football 1984 NCAA Division I-A season.  Oklahoma Sooners football participated in the former Big Eight Conference at that time and played its home games in Gaylord Family Oklahoma Memorial Stadium where it has played its home games since 1923.  The team posted a 9–2–1 overall record and a 6–1 conference record to earn a share of the Conference title under head coach Barry Switzer who took the helm in 1973.  This was Switzer's ninth conference title in twelve seasons.

1979 Oklahoma Sooners football team: The 1979 Oklahoma Sooners football team represented the University of Oklahoma in the college football 1979 NCAA Division I-A season.  Oklahoma Sooners football participated in the former Big Eight Conference at that time and played its home games in Gaylord Family Oklahoma Memorial Stadium where it has played its home games since 1923.  The team posted an 11–1 overall record and a 7–0 conference record to earn the Conference title outright under head coach Barry Switzer who took the helm in 1973.  This was Switzer's seventh conference title and fourth undefeated conference record in seven seasons.

1895 Oklahoma Sooners football team: The 1895 Oklahoma Sooners football team represented the Oklahoma Sooners of the University of Oklahoma during the 1895 college football season and was its first football team ever fielded.  The team completed its inaugural season with a 0–1 record.  The Sooners played their first football game in history against a town team from Oklahoma City and lost by a final score of 34–0.  This was the program's one and only season under the guidance of head coach John A. Harts, the next season he was gold prospecting in the Arctic.

1956 Oklahoma Sooners football team: The 1956 Oklahoma Sooners football team (variously "Oklahoma", "OU", or the "Sooners") represented the University of Oklahoma in the 1956 college football season.  It was the 62nd season of play for the Sooners.  The team was led by Hall of Fame head coach Bud Wilkinson.  They were led on offense by quarterback Jim Harris, and played their home games at Oklahoma Memorial Stadium in Norman, Oklahoma.

Tommy McDonald (American football): Thomas Franklin McDonald (born July 26, 1934) is a former American football flanker in the National Football League (NFL), where he played for the Philadelphia Eagles, Dallas Cowboys, Los Angeles Rams, Atlanta Falcons, and Cleveland Browns.  He played college football for the Oklahoma Sooners football team.  He is a member of the Pro Football Hall of Fame and College Football Hall of Fame.

1985 Oklahoma Sooners football team: The 1985 Oklahoma Sooners football team represented the University of Oklahoma in the college football season of 1985–1986.  This year was Barry Switzer's 13th season as head coach.  The Sooners ended this season with 11 wins and a sole loss coming to the Miami Hurricanes in Norman, in a game in which the Sooners lost starting quarterback Troy Aikman for the season.  The Sooners were forced to place their trust in lightning-quick true freshman quarterback Jamelle Holieway and a physical defense featuring three All-Americans, who led them to a Big 8 Conference title and a national championship.  This was Oklahoma's sixth national championship and 34th conference championship in school history.

Troy Aikman: Troy Kenneth Aikman (born November 21, 1966) is a former American football quarterback who played for the Dallas Cowboys in the National Football League (NFL).  The number one overall draft pick in 1989, Aikman played twelve consecutive seasons as quarterback with the Cowboys.  During his career he was a six-time Pro Bowl selection, led the team to three Super Bowl victories, and was the Super Bowl XXVII MVP.  Aikman was elected to the Pro Football Hall of Fame in 2006 and to the College Football Hall of Fame on December 9, 2008 in New York City.

Kurt Warner: Kurtis Eugene Warner (born June 22, 1971) is a former American football quarterback, a current part-time TV football analyst, and a philanthropist.  He played for three National Football League (NFL) teams: the St. Louis Rams, the New York Giants, and the Arizona Cardinals.  He was originally signed by the Green Bay Packers as an undrafted free agent in 1994 after playing college football at Northern Iowa.  Warner went on to be considered the best undrafted NFL player of all time, following a 12-year career regarded as one of the greatest stories in NFL history.  Warner was inducted into the Pro Football Hall of Fame in 2017, and is the only person inducted into both the Pro Football Hall of Fame and the Arena Football Hall of Fame.

Supporting paragraphs: 1985 Oklahoma Sooners football team Troy Aikman
Answer: 2006