Question: When did Ernie Thompson's team last go to the superbowl?

full_context: Document 1: Kansas City Chiefs: Kansas City Chiefs Current season Established August 14, 1959; 58 years ago (August 14, 1959) First season: 1960 Play in and headquartered in Arrowhead Stadium Kansas City, Missouri Logo Wordmark League / conference affiliations American Football League (1960 -- 1969) Western Division (1960 -- 1969) National Football League (1970 -- present) American Football Conference (1970 -- present) AFC West (1970 -- present) Current uniform Team colors Red, Gold, White Mascot Warpaint (1963 -- 1988, 2009 -- present) K.C. Wolf (1989 -- present) Personnel Owner (s) Hunt family Chairman Clark Hunt CEO Clark Hunt President Mark Donovan General manager Brett Veach Head coach Andy Reid Team history Dallas Texans (1960 -- 1962) Kansas City Chiefs (1963 -- present) Team nicknames Redwood Forest (Defense, 1969 -- 1971) Championships League championships (2) † AFL Championships (pre-1970 AFL -- NFL merger) (3) 1962, 1966, 1969 AFL -- NFL Super Bowl championships (1) 1969 (IV) Conference championships (0) Division championships (10) AFL West: 1962, 1966 AFC West: 1971, 1993, 1995, 1997, 2003, 2010, 2016, 2017 † - Does not include the AFL or NFL championships won during the same seasons as the AFL - NFL Super Bowl championships prior to the 1970 AFL - NFL Merger Playoff appearances (20) AFL: 1962, 1966, 1968, 1969 NFL: 1971, 1986, 1990, 1991, 1992, 1993, 1994, 1995, 1997, 2003, 2006, 2010, 2013, 2015, 2016, 2017 Home fields Cotton Bowl (1960 -- 1962) Municipal Stadium (1963 -- 1971) Arrowhead Stadium (1972 -- present)
Document 2: History of the National Football League championship: From 1966 -- 1969 prior to the merger in 1970, the NFL and the AFL agreed to hold an ultimate championship game, first called the AFL - NFL World Championship Game and later renamed the Super Bowl after 1968. Following the merger in 1970, the Super Bowl name continued as the game to determine the NFL champion. The most important factor of the merger was that all ten AFL teams joined the NFL in 1970 and every AFL championship game and record is included in NFL record books. The old NFL Championship Game became the NFC Championship Game, while the old AFL Championship Game became the AFC Championship Game. The NFL lists the old AFL / NFL championship games with ``new ''AFC / NFC championship games in its record books. The Green Bay Packers have won the most championships with 13 total (9 NFL championships pre-merger, four (4) Super Bowl championships). The Packers are also the only team to win three consecutive championships, having done so twice (1929 -- 1931, 1965 -- 1967). The Chicago Bears have won the second most overall championships with nine (9) (eight NFL championships, one Super Bowl championship).
Document 3: Super Bowl IV: Super Bowl IV, the fourth and final AFL - NFL World Championship Game in professional American football, was played on January 11, 1970, at Tulane Stadium in New Orleans, Louisiana. The American Football League (AFL) champion Kansas City Chiefs defeated the National Football League (NFL) champion Minnesota Vikings by the score of 23 -- 7. This victory by the AFL squared the Super Bowl series with the NFL at two games apiece. The two leagues merged into one after the season.
Document 4: Curtis Bledsoe: Curtis Kemp Bledsoe (born March 19, 1957 in Odessa, Texas) is a former professional American football player who played fullback, halfback, and running back. He played in the National Football League for the Kansas City Chiefs in 1981 and 1982. He later played for the Arizona Wranglers, Washington Federals and Orlando Renegades of the USFL. Bledsoe played college football for
Document 5: 1969 Kansas City Chiefs season: The 1969 Kansas City Chiefs season was the team's 10th, their 7th in Kansas City, and also their final season in the American Football League. It resulted in an 11 -- 3 record and a 23 -- 7 victory in Super Bowl IV over the NFL's heavily favored Minnesota Vikings. The team beat their rivals, the Oakland Raiders in the final AFL Championship Game, claiming their third AFL Championship in franchise history. The Chiefs were coached by Hank Stram, led by quarterback Len Dawson and a powerful defense led by Bobby Bell, Willie ``Contact ''Lanier, Buck Buchanan and Curley Culp. The Chiefs' defense became the fourth defense in the history of pro football to lead its league in fewest rushing yards, fewest passing yards and fewest total yards. The Chiefs were the second AFL team to win the Super Bowl and last AFL team to do so before the AFL - NFL Merger in the following season.
Document 6: John Thompson (footballer, born 1932): Thompson was born in Newcastle upon Tyne and began his football career as an apprentice with his local Football League club, Newcastle United. He played eight matches in the First Division, and played in the 1955 FA Charity Shield, in which Newcastle lost 3–0 to Chelsea. He was third choice, behind Jack Fairbrother and Ronnie Simpson, and left for Second Division club Lincoln City in 1957 for a fee of £2,500. He played regularly during his first season with Lincoln, but lost his place to Bill Heath and others, and then moved into non-league football with Horden Colliery Welfare. He died in 2006 at the age of 74.
Document 7: Ken Lacy: Ken Lacy is a former professional NFL football player who played running back for four seasons for the Kansas City Chiefs. Lacy also played for the 1983 USFL Champion Michigan Panthers.
Document 8: Kansas City Chiefs: The Chiefs have won three AFL championships, in 1962, 1966, and 1969 and became the second AFL team (after the New York Jets) to defeat an NFL team in an AFL -- NFL World Championship Game, when they defeated the Minnesota Vikings in Super Bowl IV. The team's victory on January 11, 1970, remains the club's last championship game victory and appearance to date, and occurred in the final such competition prior to the leagues' merger coming into full effect. The Chiefs were also the second team, after the Green Bay Packers, to appear in more than one Super Bowl (the first AFL team to do so) and the first to appear in the championship game in two different decades.
Document 9: Ernie Davis: Ernest Davis (December 14, 1939 -- May 18, 1963) was an American football player, a halfback who won the Heisman Trophy in 1961 and was its first African - American winner.
Document 10: Ted Thompson: Thompson played college football at Southern Methodist University, starting three years at linebacker and intercepting seven passes during his career. During his senior year, he served as a team captain and was also the team's placekicker.
Document 11: List of Super Bowl champions: Before the 1970 merger between the American Football League (AFL) and the National Football League (NFL), the two leagues met in four such contests. The first two were marketed as the ``AFL -- NFL World Championship Game '', but were also casually referred to as`` the Super Bowl game'' during the television broadcast. Super Bowl III in January 1969 was the first such game that carried the ``Super Bowl ''moniker in official marketing, the names`` Super Bowl I'' and ``Super Bowl II ''were retroactively applied to the first two games. The NFC / NFL leads in Super Bowl wins with 26, while the AFC / AFL has won 25. Nineteen different franchises, including teams that relocated to another city, have won the Super Bowl.
Document 12: Ernie Thompson (American football): Ernie Thompson is a retired American football player in the National Football League who played running back for the Los Angeles Rams in 1991 and for the Kansas City Chiefs in 1993.
Document 13: Lynn Thomas (American football): Ronald Lynn Thomas (born July 9, 1959) is a former American football defensive back who played two seasons with the San Francisco 49ers of the National Football League. He was drafted by the San Francisco 49ers in the fifth round of the 1981 NFL Draft. He played college football at the University of Pittsburgh and attended Pascagoula High School in Pascagoula, Mississippi. Thomas was also a member of the Oakland Invaders of the United States Football League. He was a member of the San Francisco 49ers team that won Super Bowl XVI.
Document 14: Kansas City Chiefs: The Chiefs have won three AFL championships, in 1962, 1966, and 1969 and became the second AFL team (after the New York Jets) to defeat an NFL team in an AFL -- NFL World Championship Game, when they defeated the Minnesota Vikings in Super Bowl IV. The team's victory on January 11, 1970, remains the club's last championship game victory and appearance to date, and occurred in the final such competition prior to the leagues' merger coming into full effect. The Chiefs were also the second team, after the Green Bay Packers, to appear in more than one Super Bowl (and the first AFL team to do so) and the first to appear in the championship game in two different decades.
Document 15: National Football League Rookie of the Year Award: Season Player Team Position Ref 2013 Lacy, Eddie Eddie Lacy Green Bay Packers Running back 2014 Beckham Jr., Odell Odell Beckham Jr. New York Giants Wide receiver 2015 Gurley, Todd Todd Gurley St. Louis Rams Running back 2016 Elliott, Ezekiel Ezekiel Elliott Dallas Cowboys Running back
ground_truth: January 11, 1970
sub_queries: Ernie Thompson >> member of sports team Answer: Kansas City Chiefs
when was the last time Kansas City Chiefs went to the superbowl Answer: January 11, 1970