Question: which member of the American Basketball Association was Ramsey a head coach for 

full_context: Document 1: Eastern Kentucky Colonels football: The Eastern Kentucky Colonels football program represents Eastern Kentucky University in college football as a member of the Ohio Valley Conference (OVC), and competes at the NCAA Division I Football Championship Subdivision (FCS) level. The school has traditionally had much success on the football field, having won twenty OVC conference titles and two Division I FCS National Championships (then called "Division I-AA") in 1979 and 1982, and reaching the finals in 1980 and 1981. Much of the success came during the long tenure of head coach Roy Kidd from 1964 to 2002. In 1990, Eastern honored Kidd by naming the school's football stadium Roy Kidd Stadium. Eastern Kentucky's football team was able to secure 31 consecutive winning seasons before finally posting a losing season record in 2009.
Document 2: Frank Ramsey (basketball): Frank Vernon Ramsey, Jr. (born July 13, 1931) is an American former professional basketball player and coach. A 6-3 guard, he played his entire nine-year (1954–1964) NBA career with the Boston Celtics and played a major role in the early part of their dynasty, winning seven championships. Ramsey was also a head coach for the Kentucky Colonels of the ABA during the 1970–1971 season.
Document 3: 1970–71 Cincinnati Royals season: After trading Oscar Robertson, the Royals became a quick, young team. Some players included Norm Van Lier, a second-year guard who would lead the league in assists with 10.1 assists per game. Draft picks Sam Lacey and Nate "Tiny" Archibald were new additions to the team. The Royals would continue its fast-breaking, high-scoring ways. During the season, they were held below 100 points only four times all season. The Royals also broke the 130 point mark an astounding 11 times. The team's 116.0 scoring average was good for 3rd place in the NBA. Bob Cousy, the Royals coach was not defensive minded, and opposing teams racked up an average of 119.2 points per game. The Royals finished the season in 3rd place in the newly formed Central Division. The Royals would finish the season with a record of 33 wins, compared to 49 losses.
Document 4: Kentucky Colonels: The Kentucky Colonels were a member of the American Basketball Association for all of the league's nine years. The name is derived from the historic Kentucky colonels. The Colonels won the most games and had the highest winning percentage of any franchise in the league's history, but the team did not join the NBA in the 1976 ABA–NBA merger. The downtown Louisville Convention Center (now known as The Gardens) was the Colonels' original venue for the first three seasons before moving to Freedom Hall for the remaining seasons, beginning with the 1970–71 schedule.
Document 5: Bob Cousy: Robert Joseph Cousy (born August 9, 1928) is an American retired professional basketball player. Cousy played point guard with the Boston Celtics from 1950 to 1963 and briefly with the Cincinnati Royals in the 1969–70 season. Making his high school varsity squad as a junior, he went on to earn a scholarship to the College of the Holy Cross, where he led the Crusaders to berths in the 1948 NCAA Tournament and 1950 NCAA Tournament and was named an NCAA All-American for 3 seasons.
Document 6: Rupp Arena: Rupp Arena is an arena located in downtown Lexington, Kentucky, U.S. Since its opening in 1976, it has been the centerpiece of Lexington Center, a convention and shopping facility owned by an arm of the Lexington-Fayette Urban County Government, which is located next to the Lexington Hyatt and Hilton hotels. Rupp Arena also serves as home court to the University of Kentucky men's basketball program, and is named after legendary former Kentucky coach and University of Kansas alumnus Adolph Rupp. With an official capacity of 23,500, it is currently the largest arena in the United States designed specifically for basketball, and is also the largest indoor arena by capacity in the USA. In Rupp Arena, the Kentucky Wildcats men's basketball team is second in the nation in college basketball home attendance. The only other basketball-specific arena in US history larger than the arena is the now-demolished Charlotte Coliseum. Rupp Arena also regularly hosts concerts, conventions and shows.
Document 7: Frank Sullivan (basketball): Frank Sullivan (born June 3, 1951) is an American former college men's basketball coach, currently serving as an Associate Commissioner at the America East Conference. The Lexington, Massachusetts native served as head coach at Bentley University from 1984 to 1991 and Harvard University from 1991 to 2007. He guided the Harvard Crimson to a 178–245 record over 16 seasons, never finishing higher than second in Ivy league play. On March 5, 2007, it was announced that he would not be returning as the coach of the Harvard Crimson for the 2007–2008 season. Sullivan is responsible for recruiting Houston Rockets point guard Jeremy Lin.
Document 8: Kentucky Colonels (band): The Kentucky Colonels were a bluegrass band that was popular during the American folk music revival of the early 1960s. Formed in Burbank, California in 1954, the group released two albums, "The New Sound of Bluegrass America" (1963) and "Appalachian Swing!" (1964). The band featured the influential bluegrass guitarist Clarence White, who was largely responsible for making the acoustic guitar a lead instrument within bluegrass, and who later went on to join the Los Angeles rock band the Byrds. The Kentucky Colonels disbanded in late 1965, with two short-lived reunions taking place in 1966 and 1973.
Document 9: List of Indiana Pacers seasons: The Indiana Pacers are a professional basketball team based in Indianapolis, Indiana, United States. They are members of the Central Division of the Eastern Conference in the National Basketball Association (NBA). The Pacers were founded in 1967, originally as members of the American Basketball Association, where they were crowned league champions three times and made the playoffs in all of the nine seasons they participated in the league. The Pacers were led during the ABA days by two-time MVP Mel Daniels and by head coach Bobby Leonard.
Document 10: 1976 ABA All-Star Game: The 1976 ABA All Star Game was the 9th and final American Basketball Association All-Star Game, played at McNichols Arena in Denver, Colorado on January 27, 1976. This time, the league abandoned the usual East vs. West format it used from the 1967-68 season onward and instead had the league's first place team at the All Star break face off against a team of ABA All Stars. At the All Star break the Denver Nuggets were in first place, which was convenient as the Nuggets had also been selected to host the game in McNichols Arena. Kevin Loughery of the New York Nets coached the All-Stars while Larry Brown led the Denver Nuggets. This was the second year in a row that Loughery and Brown coached against each other in the ABA All-Star Game. (The Nuggets went on to finish the regular season in first place at 60-24 (.714), but after beating the Kentucky Colonels 4 games to 3 in the ABA Semifinals the Nuggets lost in the 1976 ABA Finals to the New York Nets, 4 games to 2.)
Document 11: Buster Ramsey: Garrard Sliger "Buster" Ramsey (March 16, 1920 – September 16, 2007) was an American football player who starred at William and Mary and was the first head coach of the American Football League's Buffalo Bills in 1960. Prior to coaching the Bills, and after a stint in the United States Navy during World War II, Ramsey played for the Chicago Cardinals of the National Football League (NFL) from 1946 to 1951 and a member of the 1947 NFL Champions. In 1951, Ramsey became a player-coach for the Cardinals before becoming the defensive coach for the Detroit Lions in 1952. During his tenure with the Lions, Ramsey is credited with devising the 4-3 defense, a staple of modern football, and being the first coach to blitz linebackers, a package he called Red Dog. The Lions won three World Championships in the 1950s with Ramsey running the defense. He developed Lions greats such as Yale Lary, Jack Christiansen, Jim David, and many others. In 1960, he was lured to the new AFL as coach of the Buffalo Bills. Though fired by Bills' owner Ralph C. Wilson Jr. after the 1961 AFL season, Ramsey is credited for laying the foundation of one of the best defensive teams in the history of the AFL. He also had a brother, Knox Ramsey, who also starred for the College of William and Mary, the Chicago Cardinals, and the Washington Redskins. Ramsey was elected into the Virginia Sports Hall of Fame in 1974, and the College Football Hall of Fame in 1978.
Document 12: List of Boston Celtics head coaches: The Boston Celtics are an American professional basketball team based in Boston, Massachusetts. They play in the Atlantic Division of the Eastern Conference in the National Basketball Association (NBA). The team is owned by Wycliffe Grousbeck and coached by Brad Stevens, with Danny Ainge as the general manager. Founded in 1946, their 17 NBA Championships are the most for any NBA franchise, and their eight consecutive NBA championships from 1959 to 1966 represent the longest consecutive championship winning streak of any North American professional sports team to date. They play their home games in the TD Garden.
Document 13: Red Auerbach: Arnold Jacob "Red" Auerbach (September 20, 1917 – October 28, 2006) was an American basketball coach of the Washington Capitols, the Tri-Cities Blackhawks and the Boston Celtics. After he retired from coaching, he served as president and front office executive of the Celtics until his death. As a coach, he won 938 games (a record at his retirement) and nine National Basketball Association (NBA) championships in ten years (a number surpassed only by Phil Jackson, who won 11 in twenty years). As general manager and team president of the Celtics, he won an additional seven NBA titles, for a grand total of 16 in a span of 29 years, making him one of the most successful team officials in the history of North American professional sports.
Document 14: Kentucky Mr. Basketball: The Kentucky Mr. Basketball honor recognizes the top high school senior basketball player in the state of Kentucky. The first Kentucky Mr. Basketball was "King" Kelly Coleman of Wayland High School in 1956. The winner of the Mr. Basketball award wears #1 on his jersey in the summer all-star series against the Indiana High School All-Stars. 1940 was the first year for the Kentucky/Indiana High School All-Star Series, that year, the Indiana All-Stars defeated the Kentucky All-Stars 31–29. The Kentucky Mr. Basketball award is the third oldest such award in the nation; only Indiana Mr. Basketball and California Mr. Basketball, which were first awarded in 1939 and 1950, respectively, predate it.
Document 15: History of the Indiana Pacers: The Indiana Pacers were founded on February 2, 1967 as an American Basketball Association franchise, and moved to the National Basketball Association in 1976. The Pacers were considered a dynasty in the ABA, winning three titles and six conference titles. The Pacers play in the Eastern Conference and Central Division, and they play their home games at Bankers Life Fieldhouse.The Pacers have enjoyed sparring moments of success in the NBA, most notably during the career of Reggie Miller, however have never won an NBA championship.
ground_truth: The Kentucky Colonels