Question: John Maitland is a former American football running back, who earned what award that is given to winners of the Super Bowl?

full_context: Document 1: Fred Mautino: Frederick J. "Fred" Mautino (born November 7, 1936) was an American football player. A native of Reading, Pennsylvania, Mautino attended Reading High School and Staunton Military Academy. He then played college football at the end position for Syracuse. He helped lead the 1959 Syracuse Orangemen football team to the school's only national championship. Prior to the 1960 Cotton Bowl, Mautino proclaimed the 1959 Orangemen "the greatest college team of all time." He was selected by the Associated Press as a first-team player on its 1959 College Football All-America Team. He was also selected at the 1959 athlete of the year for Berks County, Pennsylvania. As a senior in 1960, he was selected as a third-team All-American by the American Football Coaches Association and the United Press International.
Document 2: Super Bowl V: Super Bowl V, the fifth edition of the Super Bowl and first modern-era National Football League (NFL) championship game, was an American football game between the American Football Conference (AFC) champion Baltimore Colts and the National Football Conference (NFC) champion Dallas Cowboys to decide the NFL champion for the 1970 season. The Colts defeated the Cowboys by the score of 16–13. The game was played on January 17, 1971, at the Orange Bowl in Miami, Florida, the first Super Bowl game played on artificial turf, on first-generation Poly-Turf.
Document 3: Super Bowl Most Valuable Player Award: The Super Bowl Most Valuable Player Award, or Super Bowl MVP, is presented annually to the most valuable player of the Super Bowl, the National Football League's (NFL) championship game. The winner is chosen by a fan vote during the game and by a panel of 16 football writers and broadcasters who vote after the game. The media panel's ballots count for 80 percent of the vote tally, while the viewers' ballots make up the other 20 percent. The game's viewing audience can vote on the Internet or by using cellular phones; Super Bowl XXXV, held in 2001, was the first Super Bowl with fan voting.
Document 4: Matt Millen: Matthew George "Matt" Millen (born March 12, 1958) is an American former National Football League linebacker, and former executive. Millen played for the Oakland Raiders, the San Francisco 49ers and the Washington Redskins. In Millen's 12-year NFL playing career, he played on four teams that won the Super Bowl. Millen won a Super Bowl ring with each of the three teams for which he played; moreover, he won a Super Bowl ring in each of the four cities in which he played (the Raiders won championships in both Oakland and Los Angeles during his tenure).
Document 5: Rugby union trophies and awards: Rugby union trophies and awards have been given out to teams and participants from the very earliest days of the sport's history. In common with many other sports rugby union has an array of competitions, both domestic international, covering the spectrum of competition structures from season long leagues, to one-off matches. The list below is divided into sections such that trophies and awards competed for by national sides are grouped together, as are those competed for by club and provincial sides. In both cases, the type of award can differ. The award might be a perpetual trophy, which is one competed for in perpetuity by two sides such that on each occasion they meet, which may or may not be on a regular basis, that honour is contested. The award may be one that is given to the winner of a tournament, or as a subset of this, as an award for a particular honour attained in that tournament. Additionally, the sport of rugby union bestows certain honours on individual players, and these too have their own dedicated section below.
Document 6: List of Super Bowl champions: The Super Bowl is an annual American football game that determines the champion of the National Football League (NFL). The game culminates a season that begins in the previous calendar year, and is the conclusion of the NFL playoffs. The contest is held in an American city, chosen three to four years beforehand, usually at warm-weather sites or domed stadiums. Since January 1971, the winner of the American Football Conference (AFC) Championship Game has faced the winner of the National Football Conference (NFC) Championship Game in the culmination of the NFL playoffs.
Document 7: Fred Miller (defensive lineman): Fred David Miller (born August 8, 1940) was an American football defensive tackle in the National Football League from 1963 through 1972. During that span, he appeared in 3 world championship games for the Baltimore Colts: the 1964 NFL championship game against the Browns, Super Bowl III against the Jets, and Super Bowl V against the Cowboys. He played college football at Louisiana State University.
Document 8: World Poker Tour bracelet: The World Poker Tour bracelet is the World Poker Tour's (WPT) answer to the World Series of Poker (WSOP) bracelet. Beginning in 1976, the WSOP started awarding bracelets to winners of WSOP events. The WSOP bracelet has become synonymous with greatness. "It's impossible to overstate the value of a World Series of Poker gold bracelet to anyone who takes the game seriously," stated World Series of Poker Commissioner Jeffrey Pollack during the 2006 bracelet unveiling. "It is the equivalent of winning the Stanley Cup in hockey or the Lombardi Trophy in football." Since their introduction, a poker player's success has been measured by the number of bracelets they had won. With introduction of the WPT bracelet, the WPT hopes to capitalize on the prestige of winning poker bracelets. WPT Founder, President and CEO, Steve Lipscomb said, "The championship bracelet has become synonymous with poker as a symbol of achievement and respect, and we are honored to continue the tradition that Benny Binion [the founder of the WSOP] began over 30 years ago."
Document 9: John Mackey (American football): John Mackey (September 24, 1941 – July 6, 2011) was an American football tight end who played for the Baltimore Colts and the San Diego Chargers. He was born in Roosevelt, New York and attended Syracuse University. He was the first president of the National Football League Players Association following the AFL-NFL merger, serving from 1970 to 1973. Mackey was also a big reason for the NFLPA to create the "88 Plan" which would financially support ex-players who required living assistance in later years.
Document 10: Sam Havrilak: Samuel Charles Havrilak (born December 13, 1947) is a former American football running back who played in the National Football League (NFL) from 1969 to 1974. He attended Monessen High School near Pittsburgh. Havrilak earned a Super Bowl ring in January 1971 at Super Bowl V. Havrilak owns the distinction of being the first player in NFL history to complete a pass, catch a pass and take a handoff in a Super Bowl .
Document 11: List of Heisman Trophy winners: The Heisman Trophy, one of the highest individual awards in American college football, has been awarded 81 times since its creation in 1935, including 79 unique winners and one two-time winner. The trophy is given annually to the most outstanding college football player in the National Collegiate Athletic Association (NCAA) Division I Football Bowl Subdivision (FBS), and is awarded by the Heisman Trust, successors of the awards from the Downtown Athletic Club at an annual ceremony at the PlayStation Theater in Times Square, Manhattan.
Document 12: Jack Maitland: John Frederick "Jack" Maitland (born February 8, 1948) is a former American football running back in the National Football League in the 1970s and earned a Super Bowl ring. He attended Upper St. Clair High School near Pittsburgh, then Williams College. His pro-career was spent with both the Baltimore Colts and the New England Patriots. He played in and won Super Bowl V with the Colts.
Document 13: List of NBA players with most championships: This is a list of NBA players with most championships won as a player. The National Basketball Association (NBA) is a major professional basketball league in North America. It was founded in 1946 as the Basketball Association of America (BAA). The league adopted its current name at the start of the when it merged with the National Basketball League (NBL). The NBA Finals is the championship series for the NBA and the conclusion of the sport's postseason. The winning team of the series receives the Larry O'Brien Championship Trophy. Players from the winning team usually receive championship rings from the team honoring their contribution. However, in some rare occasion, the teams opted to give other commemorative items, such as wrist watches, instead of rings. The number of championships won by NBA superstars is often used as a measurement of their greatness.
Document 14: Super Bowl ring: The Super Bowl ring is an award in the National Football League given to the winners of the league's annual championship game, the Super Bowl. Since only one Vince Lombardi Trophy is awarded to the team (ownership) itself, the Super Bowl ring offers a collectible memento for the actual players and team members to keep for themselves to symbolize the victory.
Document 15: John Williams (offensive lineman): John McKay Williams (October 27, 1945 – July 8, 2012) was a National Football League offensive lineman from 1968 through 1979. During that span he appeared in three Super Bowls: Super Bowl III and Super Bowl V for the Baltimore Colts; and Super Bowl XIV for the Los Angeles Rams. He played college football at the University of Minnesota where he was a First Team All-Big Ten tackle in 1967 and led the Gophers to the Big Ten title. Williams died on July 8, 2012 in Minneapolis, Minnesota, at the age of 66, while out for a walk. He had recently been the recipient of a kidney transplant.
ground_truth: Super Bowl ring