Question: Which basketball team franchise had it's 47th season in the National Basketball Association's 71st season?

Context articles: 2017–18 Houston Rockets season
2016–17 Boston Celtics season
List of San Antonio Spurs head coaches
2015–16 Sacramento Kings season
2016–17 New York Knicks season
2016–17 Golden State Warriors season
2016–17 Cleveland Cavaliers season
2016–17 NBA season
2009–10 Philadelphia 76ers season
2011–12 Detroit Pistons season

The 2017–18 Houston Rockets season will be the 51st season of the franchise in the National Basketball Association (NBA), and their 47th in the Houston area.
The 2016–17 Boston Celtics season was the 71st season of the franchise in the National Basketball Association (NBA).
 The team obtained the No. 1 seed in the Eastern Conference for the first time since 2008 when they won the NBA title.
 At 53–29, they finished with the lowest winning percentage of a No. 1 seed since the Detroit Pistons in 2007.
The San Antonio Spurs are an American professional basketball team based in San Antonio, Texas.
 They are a member of the Southwest Division of the Western Conference in the National Basketball Association (NBA).
 The franchise was founded as the Dallas Chaparrals of the American Basketball Association (ABA) in 1967.
 The team suffered from poor attendance and general disinterest by fans in Dallas, and the name "Dallas" was dropped in favor of "Texas" during the 1970–71 season in an attempt to make the team regional.
 This also proved to be a failure, and the team returned full-time to use "Dallas" for the 1971–72 season.
 The team was put up for sale after missing the playoffs in the 1972–73 season.
 The team was acquired by a group of 36 San Antonio businessmen, led by Angelo Drossos and Red McCombs, who relocated the team to San Antonio, Texas and renamed it to Spurs.
 In 1976, the ABA folded, threatening the future of San Antonio's sole professional sports franchise.
 The NBA, however, decided to admit four ABA teams into the league, including the Spurs, along with the Denver Nuggets, the Indiana Pacers and the New York Nets.
The 2015–16 Sacramento Kings season was the 71st season of the franchise, its 67th season in the National Basketball Association (NBA), and its 31st in Sacramento.
 It was also their final season playing in the Sleep Train Arena (their home since 1988), as the Kings moved to the new Golden 1 Center in Downtown Sacramento the following season.
The 2016–17 New York Knicks season was the 71st season of the franchise in the National Basketball Association (NBA).
 On June 2, 2016, the Knicks announced Jeff Hornacek as their new head coach.
The 2016–17 Golden State Warriors season was the 71st season of the franchise in the National Basketball Association (NBA), and its 55th in the San Francisco Bay Area.
 The Warriors won their fifth NBA Championship, setting the best postseason record in NBA history by going 16–1 .
 They entered the season as runners-up in the 2016 NBA Finals, after a record breaking regular-season in 2015–16.
 With the acquisition of free agent Kevin Durant in the offseason, the Warriors were hailed as a "Superteam" by the media and fans, forming a new All-Star "Fantastic Four" of Durant, Stephen Curry, Klay Thompson and Draymond Green.
 The Warriors broke over 20 NBA records on their way to equaling their 2014–15 regular-season record of 67–15 , their second most wins in franchise history.
The 2016–17 Cleveland Cavaliers season was the 47th season of the franchise in the National Basketball Association (NBA).
 For the first time in franchise history, the Cavaliers entered the season as the defending NBA champions.
 The Cavaliers also broke the record of most made three-pointers in a regular season game with 25 against the Atlanta Hawks.
The 2016–17 NBA season was the 71st season of the National Basketball Association.
 The regular season began on October 25, 2016, with the 2016 NBA champion Cleveland Cavaliers hosting a game against the New York Knicks.
 Christmas Day games were played on Sunday December 25, 2016.
 The 2017 NBA All-Star Game was played at the Smoothie King Center in New Orleans, Louisiana, on February 19, 2017, with the West defeating the East 192–182.
 Anthony Davis of the New Orleans Pelicans was named the All Star Game MVP after breaking Wilt Chamberlain's record by scoring 52 points in the All Star Game.
 The original host of the game, Charlotte's Spectrum Center, was removed as the host on July 21, 2016 due to the league's opposition against North Carolina's Public Facilities Privacy & Security Act.
 The regular season ended on April 12, 2017, and the playoffs began on April 15, 2017 and ended on June 12, 2017, with the Golden State Warriors going 16-1 in the playoffs and beating the Cleveland Cavaliers in five games during their third consecutive matchup in the NBA Finals.
The 2009–10 Philadelphia 76ers season was the 71st season of the franchise, 61st in the National Basketball Association (NBA).
 The season was memorable on December 2 when Allen Iverson returned to the team for his second stint with the Sixers.
 However, it was short lived as he left the team in February to attend to his then 4-year-old daughter Messiah's health issues.
 Although Iverson was selected to play in what could have been his 11th consecutive All-Star Game, he backed out due to personal reasons.
 In March, it was announced that Iverson would not return to the 76ers for the rest of the season.
 The Sixers season ended with a disappointing 27-55 record.
 After the season, Eddie Jordan was fired, replacing him with former Sixer Doug Collins for the next season.
The 2011–12 Detroit Pistons season was the 71st season of the franchise, the 64th in the National Basketball Association (NBA), and the 55th in the Detroit area.
 In their first season under head coach Lawrence Frank the team finished with a 25–41 record and in 10th place in the Eastern Conference.
 In February, center Ben Wallace announced his retirement after 17 seasons, 9 of them spent with the Pistons.