Question: Who has the most consecutive appearances in the sporting event that the 1971 NBA World Championship series is an instance of?

full_context: Document 1: 2011 NBA Finals: The 2011 NBA Finals was the championship series of the 2010 -- 11 season of the National Basketball Association (NBA) in which the Western Conference champion Dallas Mavericks defeated the Eastern Conference champion Miami Heat 4 games to 2 to win their first NBA championship. The series was held from May 31 to June 12, 2011. German player Dirk Nowitzki was named the Finals MVP, becoming the second European to win the award after Tony Parker (2007) and the first German player to do so. The series was a rematch of the 2006 NBA Finals, which the Heat had won in six games.
Document 2: Philadelphia 76ers: The 76ers have had a rich history, with many of the greatest players in NBA history having played for the organization, including Wilt Chamberlain, Hal Greer, Billy Cunningham, Julius Erving, Moses Malone, Charles Barkley, and Allen Iverson. They have won three NBA championships, with their first coming as the Syracuse Nationals in 1955. The second title came in the 1966 -- 67 season, a team which was led by Chamberlain. The third title came in the 1982 -- 83 season, won by a team led by Erving and Malone. The 76ers have only been back to the NBA Finals once since then: in 2001, when they lost to the Los Angeles Lakers 4 games to 1.
Document 3: 1971 NBA Finals: The 1971 NBA World Championship Series was the championship series played at the conclusion of the National Basketball Association (NBA)'s 25th anniversary season of 1970 -- 71. The Western Conference champion Milwaukee Bucks, who were founded just three years earlier, swept the Eastern Conference champion Baltimore Bullets in four games. Baltimore had dethroned the 1969 -- 70 NBA champion New York Knicks.
Document 4: 1986 NBA Finals: On another note, this series marked the first time the "NBA Finals" branding was officially used, as they dropped the "NBA World Championship Series" branding which had been in use since the beginning of the league, though it had been unofficially called the "NBA Finals" for years.
Document 5: List of NFL franchise post-season streaks: The New England Patriots hold the longest active consecutive playoff streak with 9 appearances, starting with the 2009 -- 10 NFL playoffs, which is tied for the longest of all - time. The Patriots have won two Super Bowls during this streak. The Dallas Cowboys also hold this record with nine appearances from 1975 - 1983. The Cowboys won one NFL championship during the streak. The Indianapolis Colts tied this record with nine straight appearances and one championship from 2002 - 2010. The Green Bay Packers hold the longest consecutive NFL title streak with three consecutive crowns. They did this once in the 1920s, before playoff games, and once in the 1960s, by winning seven playoff games during this three year championship streak.
Document 6: 1971 NBA Finals: This was the first NBA Finals not played in the state of California in 10 years. It would also be the last time that both participants were playing in their first NBA Finals until the Dallas Mavericks and Miami Heat got together in the 2006 NBA Finals.
Document 7: List of NBA franchise post-season streaks: The San Antonio Spurs hold the longest active consecutive playoff appearances with 21 appearances, starting in the 1998 NBA Playoffs (also the longest active playoff streak in any major North American sports league as of 2017). The Spurs have won five NBA championships during the streak. The Philadelphia 76ers (formerly known as Syracuse Nationals) hold the all - time record for consecutive playoff appearances with 22 straight appearances between 1950 and 1971. The 76ers won two NBA championships during their streak. The Boston Celtics hold the longest consecutive NBA Finals appearance streak with ten appearances between 1957 and 1966. During the streak, the Celtics won eight consecutive NBA championships -- also an NBA record.
Document 8: San Antonio Spurs: In their 40 NBA seasons since 1976 -- 77, the Spurs have won 22 division titles. They have made the playoffs in 27 of the last 28 seasons (since 1989 -- 90) and have only missed the playoffs four times since entering the NBA; they have not missed the playoffs in the 20 seasons since Tim Duncan was drafted by the Spurs in 1997. With their 50th win in the 2016 -- 17 season, the Spurs extended their record for most consecutive 50 - win seasons to 18 (the Spurs did not win 50 games in the strike - shortened 1998 -- 99 season, which lasted only 50 games). Since the 1997 -- 98 season, the Spurs have had 20 consecutive seasons with a winning percentage of. 610 or greater during the regular season, which is also an NBA record. The team's success during this period coincides with the tenure of current head coach Gregg Popovich, who had been the team's general manager before replacing Bob Hill as coach in 1996.
Document 9: List of NBA franchise post-season droughts: Seasons Team Last earned appearance in NBA playoffs Reference 13 Minnesota Timberwolves ^ 2004 Western Finals 11 Sacramento Kings ^ 2006 First Round 7 Phoenix Suns ^ 2010 Western Finals 5 Philadelphia 76ers 2012 Eastern Semifinals 5 Orlando Magic ^ 2012 First Round Los Angeles Lakers ^ 2013 First Round Denver Nuggets 2013 First Round New York Knicks 2013 Eastern Semifinals Brooklyn Nets 2015 First Round New Orleans Pelicans 2015 First Round Charlotte Hornets 2016 First Round Detroit Pistons 2016 First Round Dallas Mavericks 2016 First Round Miami Heat 2016 Eastern Semifinals 2017 Playoff teams -- Oklahoma City Thunder 2017 First Round -- Chicago Bulls 2017 First Round -- Milwaukee Bucks 2017 First Round -- Memphis Grizzlies 2017 First Round -- Atlanta Hawks 2017 First Round -- Indiana Pacers 2017 First Round -- Los Angeles Clippers 2017 First Round -- Portland Trail Blazers 2017 First Round -- Washington Wizards 2017 Eastern Semifinals -- Toronto Raptors 2017 Eastern Semifinals -- Utah Jazz 2017 Western Semifinals -- Houston Rockets 2017 Western Semifinals -- Boston Celtics 2017 Eastern Finals -- San Antonio Spurs 2017 Western Finals -- Golden State Warriors 2017 Finals -- Cleveland Cavaliers 2017 Finals
Document 10: 2007 NBA Finals: The Cleveland Cavaliers entered the 2007 Finals as newcomers. Game 1 was their first NBA Finals game in franchise history, and the first for each of its players (other than reserve point guard Eric Snow). However, the San Antonio Spurs had been to the Finals in three of the past eight seasons, winning a championship each time. With solid performances by Tim Duncan, Tony Parker, and Manu Ginóbili, the Spurs won the series opener in convincing fashion, limiting LeBron James to 14 points on 4 -- 16 shooting.
Document 11: Philadelphia 76ers: The 76ers have had a rich history, with many of the greatest players in NBA history having played for the organization, including Wilt Chamberlain, Hal Greer, Billy Cunningham, Julius Erving, Moses Malone, Charles Barkley, and Allen Iverson. They have won three NBA championships, with their first coming as the Syracuse Nationals in 1955. The second title came in 1967, a team which was led by Chamberlain. The third title came in 1983, won by a team led by Erving and Malone. The 76ers have only been back to the NBA Finals once since then: in 2001, when they lost to the Los Angeles Lakers 4 games to 1.
Document 12: 2011 NBA Finals: The 2011 NBA Finals was the championship series of the National Basketball Association (NBA)'s 2010 -- 11 season, and the conclusion of the season's playoffs. The Western Conference champion Dallas Mavericks defeated the Eastern Conference champion Miami Heat 4 games to 2 to win their first NBA championship. Dallas became the last NBA team from Texas to win its first title, after the Houston Rockets won back - to - back titles in 1994 and 1995, and the San Antonio Spurs won four NBA championships in 1999, 2003, 2005 and 2007, and a fifth one subsequently in 2014; all three Texas NBA teams have now won at least one NBA championship. It was also the first time in four years that the Los Angeles Lakers did not make the Finals, having been swept in the Western Conference semifinals by the eventual champion Dallas Mavericks.
Document 13: NBA Finals: A total of 19 franchises have won the NBA Finals, with the Golden State Warriors the current champion. The Boston Celtics hold the record for the most victories, having won the competition 17 times, as well as winning the competition the most times in a row, winning it eight times from 1959 to 1966. The Los Angeles Lakers have contested the NBA Finals the most times, with 31 appearances. The Eastern Conference has provided the most champions, with 38 wins from ten franchises; the Western Conference has 32, from nine franchises.
Document 14: Kansas Jayhawks men's basketball: In 2008, ESPN ranked Kansas second on a list of the most prestigious programs of the modern college basketball era. Kansas currently has the longest streak of consecutive NCAA tournament appearances of all - time (29), the longest current streak of consecutive NCAA winning seasons (35), the most winning seasons in Division I history (97), the most non-losing seasons (. 500 or better) in NCAA history (100), the most conference championships in Division I history (61), the most consecutive regular season conference titles in Division I (14), the most First Team All Americans in Division I history (22), and the most First Team All American Selections in Division I history (29). As of the last complete season, the program ranks third in Division I all - time winning percentage (. 725) and second in Division I all - time wins (2,217).
Document 15: List of NBA players with most championships: Boston Celtics center Bill Russell holds the record for the most NBA championships won with 11 titles during his 13 - year playing career. He won his first championship with the Boston Celtics in his rookie year. Afterwards, he went on to win ten championships in the next 12 years, including eight consecutive championships from 1959 to 1966. He won the last two championships in 1968 and 1969 as player - coach. Russell's teammate, Sam Jones, won ten championships from 1959 to 1969, the second most in NBA history. Four Celtics players, Tom Heinsohn, K.C. Jones, Satch Sanders and John Havlicek, won eight championships each. Two other Celtics, Jim Loscutoff and Frank Ramsey, won seven championships each. Four players, Bob Cousy, Kareem Abdul - Jabbar, Michael Jordan and Scottie Pippen, won six championships each. Jordan and Pippen are members of the Chicago Bulls team who won three consecutive championships twice in the 1990s. George Mikan won two championships in the NBL before it merged with the BAA to form the NBA, and won five championships in the NBA.
ground_truth: The Boston Celtics
sub_queries: 1971 NBA World Championship Series >> instance of Answer: NBA Finals
who has the most consecutive NBA Finals appearances Answer: The Boston Celtics