Question: What championship game at the Los Angeles Memorial Coliseum featured Mike Mercer on the Kansas City Chiefs in 1967?

full_context: Document 1: Ken Herock: Ken Herock (born July 16, 1941, in Pittsburgh) was an American college and professional football player who played tight end. He played collegiately at West Virginia and professionally in the American Football League, where he played for the AFL Champion Oakland Raiders in the second AFL-NFL World Championship Game, held after the 1967 season. He attended Munhall High School in Pittsburgh. His six-year pro career was spent with the Oakland Raiders, who he helped win the AFL title, the Cincinnati Bengals, and the Boston Patriots. After his playing career ended, Herock was a player personnel executive in the NFL with the Raiders, the Tampa Bay Buccaneers, and the Atlanta Falcons. He is known for trading Brett Favre from the Falcons to the Green Bay Packers at the urging of head coach Jerry Glanville.
Document 2: Super Bowl IX: Super Bowl IX was an American football game between the American Football Conference (AFC) champion Pittsburgh Steelers and the National Football Conference (NFC) champion Minnesota Vikings to decide the National Football League (NFL) champion for the 1974 season. The game was played on January 12, 1975, at Tulane Stadium in New Orleans, Louisiana, the last pro game at that venue (the game was originally planned to be held at the Louisiana Superdome, but that stadium was not completed yet). The Steelers defeated the Vikings by the score of 16–6 to win their first Super Bowl.
Document 3: Super Bowl XVII: Super Bowl XVII was an American football game between the American Football Conference (AFC) champion Miami Dolphins and the National Football Conference (NFC) champion Washington Redskins to decide the National Football League (NFL) champion for the 1982 season. The Redskins defeated the Dolphins by the score of 27–17 to win their first Super Bowl championship. The game was played on January 30, 1983 at the Rose Bowl in Pasadena, California.
Document 4: Super Bowl XI: Super Bowl XI was an American football game between the American Football Conference (AFC) champion Oakland Raiders and the National Football Conference (NFC) champion Minnesota Vikings to decide the National Football League (NFL) champion for the 1976 season. The Raiders defeated the Vikings by the score of 32–14 to win their first Super Bowl. The game was played on January 9, 1977, at the Rose Bowl in Pasadena, California. This is, and remains, the earliest scheduled Super Bowl during the calendar year.
Document 5: 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 6: 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 7: 1966 NFL season: The 1966 NFL season was the 47th regular season of the National Football League, and the season after which was played Super Bowl I, though it was called the AFL-NFL World Championship Game. The league expanded to 15 teams with the addition of the Atlanta Falcons, thus an odd number of teams (making byes necessary). This was the last season that NFL teams were divided into just two groups called conferences, and only one round of playoffs was played, the NFL championship game between the two conference champions. The season concluded with Super Bowl I. The NFL Green Bay Packers defeated the AFL Kansas City Chiefs at the  Los Angeles Memorial Coliseum with a score of 35-10.
Document 8: Super Bowl XXXI: Super Bowl XXXI was an American football game between the American Football Conference (AFC) champion New England Patriots and the National Football Conference (NFC) champion Green Bay Packers to decide the National Football League (NFL) champion for the 1996 season. The Packers defeated the Patriots by the score of 35–21, earning their third overall Super Bowl victory, and their first since Super Bowl II. The Packers also extended their league record for the most overall NFL championships to 12. It was also the last in a run of 13 straight Super Bowl victories by the NFC over the AFC. The game was played on January 26, 1997 at the Louisiana Superdome in New Orleans, Louisiana.
Document 9: Mike Mercer (American football): Michael Mercer (born November 21, 1935) is a former American football kicker and punter who played for six teams from (1961–1970). In the American Football League, he played for the Oakland Raiders, the Kansas City Chiefs and the Buffalo Bills. He was a member of the Chiefs' 1966 AFL Championship team that played in the first AFL-NFL World Championship Game.
Document 10: List of Oakland Raiders head coaches: There have been 20 head coaches for the Oakland Raiders of the National Football League (NFL). The Raiders franchise was founded in Oakland, California in 1959 and became the eighth member of the American Football League (AFL) in 1960 as a replacement for the Minnesota Vikings, who had moved to the NFL. The Raiders joined the NFL in 1970, after the AFL–NFL merger. They played in Los Angeles between 1982 and 1995, before returning to Oakland. As of the end of the 2015 season, the Raiders have played 852 games in a total of 56 seasons in the AFL and NFL. In those games, two coaches have won the Super Bowl with the team: John Madden in 1976 and Tom Flores in 1980 and 1983. One coach, John Rauch in 1966, won the AFL Championship. Three other coaches, Art Shell, Jon Gruden and Bill Callahan, have also taken the Raiders to the playoffs. Callahan led the Raiders to the Super Bowl. He did this in his first year as head coach of the team.
Document 11: Harry Schuh: Harry Frederick Schuh (September 25, 1942 – May 20, 2013) was an American football player. He was an All-American tackle at the University of Memphis in 1963 and 1964. He was the third player drafted overall in the 1965 American Football League draft, after Joe Namath and Larry Elkins. He played for the American Football League's Oakland Raiders from 1965 through 1969 as the starting right tackle, winning the AFL Championship in 1967 and playing in the Second AFL-NFL World Championship Game. Schuh was an AFL Western Division All-Star in 1967, an AFL All-League tackle in 1969, and an AFC selection for the AFC-NFC Pro Bowl in 1970 as a member of the NFL's Raiders. But he was traded before the 1971 season for his replacement at right tackle, Bob Brown, an eventual member of the Pro Football Hall of Fame. Schuh finished his career with the Green Bay Packers. He was a member of the Raiders' All-Time Team.
Document 12: Super Bowl I: The first AFL-NFL World Championship Game in professional American football, known retroactively as Super Bowl I and referred to in some contemporaneous reports, including the game's radio broadcast, as the Super Bowl, was played on January 15, 1967 at the Los Angeles Memorial Coliseum in Los Angeles, California. The National Football League (NFL) champion Green Bay Packers defeated the American Football League (AFL) champion Kansas City Chiefs by the score of 35–10.
Document 13: Super Bowl XX: Super Bowl XX was an American football game between the National Football Conference (NFC) champion Chicago Bears and the American Football Conference (AFC) champion New England Patriots to decide the National Football League (NFL) champion for the 1985 season. The Bears defeated the Patriots by the score of 46–10, capturing their first NFL championship (and Chicago's first overall sports victory) since 1963, three years prior to the birth of the Super Bowl. Super Bowl XX was played on January 26, 1986 at the Louisiana Superdome in New Orleans. This was the first of nine Super Bowl appearances for New England.
Document 14: Jim Marsalis: James Marsalis (born October 10, 1945) was an American college and Professional Football player. He played nine professional seasons as a cornerback for Tennessee State, from the 1969 American Football League season through the 1977 NFL season. He helped the American Football League's Kansas City Chiefs beat the defending World Champion New York Jets in the first game of the 1969 AFL playoffs, making two interceptions off the Jets' Joe Namath. Following that, he started in the Fourth AFL-NFL World Championship Game for the AFL's Kansas City Chiefs, defeating the Minnesota Vikings in the last World Championship game played between the AFL Champions and those of the National Football League. Marsalis was selected by Pro Football Weekly as the 1969 AFL Defensive Rookie of the Year.
Document 15: Alan Miller (American football): Alan Miller (born June 19, 1937) is a former collegiate and professional football fullback. He played college football for Boston College. While at Boston College, Miller was a member of the All East and All New England Teams in 1959, as well as a member of the Catholic All American Team in 1958 and 1959. Miller was voted winner of the Omelia Trophy in 1959 and was a member of the North Squad in the Senior Bowl All Star Game played in Mobile, Alabama in 1960. Like many BC athletes, he was signed to a professional contract by the American Football League’s Boston Patriots, playing for them in their first year of existence, 1960. Miller was the Patriots' leading rusher in 1960. In 1961, he was traded to the AFL’s Oakland Raiders, and was a 1961 AFL All-Star. He played for the Raiders through 1965. Miller was a member of the AFL All Star Team in 1961, captain of the Oakland Raiders in 1963–65 and Most Valuable Player of the Raiders in 1965.
ground_truth: Super Bowl I