Question: How many national championships are claimed by the team that played the Georgia Tech Yellow Jackets in the 1985 All-American Bowl?

Context paragraphs:
Georgia Tech Yellow Jackets football: The Georgia Tech Yellow Jackets football team represents the Georgia Institute of Technology in the sport of American football.  The Yellow Jackets team competes in the Football Bowl Subdivision (FBS) of the National Collegiate Athletic Association (NCAA) and the Coastal Division of the Atlantic Coast Conference (ACC).  Georgia Tech has fielded a football team since 1892 and has an all-time record of 700–471–43 (a .594 winning percentage).  The Yellow Jackets play in Bobby Dodd Stadium at Historic Grant Field in Atlanta, Georgia, which has a capacity of 55,000.  The Yellow Jackets have won four Division I-A college football national championships and fifteen conference titles.

1990 Georgia Tech Yellow Jackets football team: The 1990 Georgia Tech Yellow Jackets football team represented the Georgia Institute of Technology in the 1990 NCAA Division I-A football season.  The Jackets posted an undefeated 11–0–1 record.  For the season the Yellow Jackets offense scored 379 points while the defense allowed 186 points.  Highlights from the season included a nationally televised win over #1 Virginia on the road and a defeat of archrival Georgia for the second consecutive year.  Georgia Tech capped off the season by defeating Nebraska, 45–21, in the Florida Citrus Bowl.  Head coach Bobby Ross and the Yellow Jackets were awarded a share of the national championship, winning the UPI Poll title by one vote over Colorado, who won the AP Poll title.

1953 Georgia Tech Yellow Jackets football team: The 1953 Georgia Tech Yellow Jackets football team represented the Georgia Institute of Technology during the 1953 college football season.  The Yellow Jackets were led by ninth-year head coach Bobby Dodd and played their home games at Grant Field in Atlanta, Georgia.  They finished second in the Southeastern Conference to Alabama, who had upset then-No.  5 Georgia Tech in Birmingham, giving the Yellow Jackets their first conference loss since 1950.  The Yellow Jackets were invited to the 1954 Sugar Bowl, where they defeated West Virginia, 42–19.

1991 Florida Citrus Bowl: The 1991 Florida Citrus Bowl was a college football bowl game played after the 1990 regular season, with national championship implications.  The game was played on January 1, 1991, in Orlando, Florida.  The 45th edition of the Citrus Bowl featured the Georgia Tech Yellow Jackets, and the Nebraska Cornhuskers.  Georgia Tech came into the game with a 10–0–1 record and #2 ranking, whereas Nebraska came into the game with a 9–2 record and #13 Coaches' poll ranking.  After their win, Georgia Tech was moved from #2 to #1 in the Coaches' Poll, enabling the Yellow Jackets to claim their fourth national championship.

Georgia Tech Yellow Jackets men's basketball: The Georgia Tech Yellow Jackets men's basketball team represents the Georgia Tech Yellow Jackets in NCAA Division I basketball.  The team plays its home games in McCamish Pavilion on the school's Atlanta campus and is currently coached by Josh Pastner.  Under the tenure of Bobby Cremins, Georgia Tech established itself as a national force in basketball.  Cremins led his team to the first ACC tournament victory in school history in 1985 and in 1990 he took Georgia Tech to the school's first Final Four appearance ever.  Cremins retired from Georgia Tech in 2000 with the school's best winning percentage as a head coach.  The Yellow Jackets returned to the Final Four in 2004 under Paul Hewitt and lost in the national title game, losing to UConn.  Overall, the team has won 1,318 games and lost 1,176 games, a .528 win percentage.

1959 Georgia Tech Yellow Jackets football team: The 1959 Georgia Tech Yellow Jackets football team represented the Georgia Institute of Technology during the 1959 college football season.  The Yellow Jackets were led by 15th-year head coach Bobby Dodd and played their home games at Grant Field in Atlanta, Georgia.  After winning their first four games of the season, three of which were victories over top ten opponents, Georgia Tech sat at #4 in the AP Poll.  Georgia Tech's season was derailed by several close losses, however, and they finished the regular season unranked with a 6–4 record.  They were invited to the Gator Bowl, where they lost to Southwest Conference co-champion Arkansas.

Michigan State Spartans football: The Michigan State Spartans football program represents Michigan State University in college football at the NCAA Division I Football Bowl Subdivision level.  The Spartans are members of the Big Ten Conference.  Michigan State claims a total of six national championships (1951, 1952, 1955, 1957, 1965, and 1966); the AP Poll voted Michigan State as national champion one time (1952).  They have been named national champions twice in the Coaches Poll (1952 and 1965).  The Spartans have also won two Michigan Intercollegiate Athletic Association championships (1903 and 1905) and nine Big Ten championships (1953, 1965, 1966, 1978, 1987, 1990, 2010, 2013, and 2015).

Georgia Tech–Tennessee football rivalry: The Georgia Tech–Tennessee football rivalry is an American college football rivalry between the Georgia Tech Yellow Jackets and Tennessee Volunteers.  The series dates back to 1902 and features two of the most prominent programs in college football history, with Georgia Tech claiming four national championships, 15 conference titles, and 21 consensus All-Americans, and Tennessee claiming six national championships, 16 conference titles, and 38 consensus All-Americans.  Tennessee leads the series 25–17–2.  The series ended in 1987, but it was renewed in the September 2017 Chick-fil-A Kickoff Game.

1980 Georgia Tech Yellow Jackets football team: The 1980 Georgia Tech Yellow Jackets football team represented the Georgia Institute of Technology during the 1980 NCAA Division I-A football season.  The Yellow Jackets were led by first-year head coach Bill Curry, and played their home games at Grant Field in Atlanta, Georgia.  Georgia Tech struggled mightily under Curry, finishing with one of the worst records in Georgia Tech history with 1 win, 9 losses, and 1 tie.  A major highlight was achieved, however, when the Yellow Jackets produced a 3–3 tie against the number one team in the country, the undefeated Notre Dame Fighting Irish.

1985 Hall of Fame Classic: The 1985 All-American Bowl was a college football postseason bowl game between the Georgia Tech Yellow Jackets and the Michigan State Spartans.

Supporting paragraphs: 1985 Hall of Fame Classic Michigan State Spartans football
Answer: six