Context_1 : The 2015–16 Toronto Raptors season was the 21st season of the franchise in the National Basketball Association (NBA). This season marked the Raptors' first 50-win season since their inception in the league, a franchise-best, besting their record (49–33) last season. On May 1, 2016 the Raptors defeated the Indiana Pacers in Game 7 of the first round of the NBA playoffs. This was the second playoff victory in Raptors franchise history, and the first in a seven-game series. In the semifinals, the Raptors survived the third-seeded Miami Heat in a tough seven-game series, marking the first time the team advanced into the Eastern Conference Finals. However, they fell to the Cleveland Cavaliers, the eventual champions, in six games. Context_2 : The Toronto Raptors 2006–07 season is the twelfth National Basketball Association (NBA) season for the Toronto Raptors basketball franchise. Following a poor 2005–06 season, General Manager Bryan Colangelo greatly revamped the team roster during the pre-season but continued to build the team around All-Star Chris Bosh. Despite a sluggish start, the 2006–07 season transformed into a year for Toronto. The Raptors captured their first division title, finished third in the Eastern Conference, made the playoffs for the first time in five years, equalled their best ever regular season record, and secured home court advantage for the first time in franchise history. However, the Raptors met the New Jersey Nets in the first round of the playoffs and were defeated four games to two. At the end of the regular season, head coach Sam Mitchell and Colangelo were named NBA Coach of the Year and NBA Executive of the Year respectively. Context_3 : The 2017–18 Toronto Raptors season is the 23rd season of the franchise in the National Basketball Association (NBA). On June 28, 2017, the Raptors promoted assistant general manager Bobby Webster to become their new general manager, while Masai Ujiri will continue as team president. Webster's promotion came over a month after their previous general manager, Jeff Weltman, left the Raptors to become the President of Basketball Operations for the Orlando Magic, with the Raptors acquiring a second-round pick in 2018 in order for them to release Weltman early. Context_4 : The 2010–11 Toronto Raptors season is the 16th season of the Toronto Raptors in the National Basketball Association (NBA). The season began after a much anticipated off-season as All-Star Chris Bosh became a free agent. Bosh would eventually sign with the Miami Heat teaming up with fellow NBA Superstars LeBron James and Dwyane Wade causing the Raptors to start rebuilding. They finished with a 22-60 record missing the playoffs for a third-straight year. Context_5 : The 2013–14 Toronto Raptors season is the 19th season of the franchise in the National Basketball Association (NBA). In the offseason, they traded Andrea Bargnani away to the New York Knicks for Steve Novak, Quentin Richardson and Marcus Camby. Despite the trade, the Raptors were not expected to make the 2014 playoffs however, with a weak Atlantic Division they found themselves as contenders for the Atlantic Division title despite an early losing record. On December 9, 2013 the Raptors traded Rudy Gay, Quincy Acy, and Aaron Gray to the Sacramento Kings for John Salmons, Greivis Vásquez, Patrick Patterson, and Chuck Hayes. The Rudy Gay trade was marked as a turning point for the Raptors as they went on a 10-2 run from a 6-12 record maintaining their division lead and finishing the season with a 48-34 record qualifying for the playoffs for the first time since 2008. However, the Raptors were eliminated by the Brooklyn Nets in an intense seven game first round series. Context_6 : The 2007–08 Toronto Raptors season was the 13th National Basketball Association (NBA) season for the Toronto Raptors basketball franchise, with the 2007–08 season scheduled to begin in October 2007. The major acquisition was that of three-point specialist Jason Kapono from the Miami Heat, and much expectations also rested on the maturing of Andrea Bargnani, Toronto's number one draft pick in 2006. With an overwhelming majority of home game sellouts (32, the second highest in franchise history), the Raptors qualified for the playoffs for the second year running, but this time around as the sixth seed. The Raptors faced the third seed Orlando Magic, and were eliminated in five games. Context_7 : Hakeem Abdul Olajuwon ( ; ] ; born January 21, 1963), formerly known as Akeem Olajuwon, is a Nigerian-American former professional basketball player. From 1984 to 2002, he played the center position in the National Basketball Association (NBA) for the Houston Rockets and the Toronto Raptors. He led the Rockets to back-to-back NBA championships in 1994 and 1995. In 2008, he was inducted into the Basketball Hall of Fame, and in 2016, he was inducted into the FIBA Hall of Fame. Listed at 7 ft 0 in (2.13 m) (but standing closer to 6 ft 10 in (2.08 m) by his own admission), Olajuwon is considered one of the greatest centers ever to play the game. He was nicknamed "The Dream" during his basketball career after he dunked so effortlessly that his college coach said it "looked like a dream." Context_8 : The 2012–13 Toronto Raptors season was the 18th season of the franchise in the National Basketball Association (NBA). In the off-season, after failing to pursue Steve Nash in free agency, the Raptors acquired Kyle Lowry from the Houston Rockets for a first round pick. The also season marked the debut of Jonas Valančiūnas, their first pick in the 2011 Draft from Lithuania. On January 30, 2013, the Raptors acquired Rudy Gay in a three-way deal with the Memphis Grizzlies and Detroit Pistons which sent longtime point guard José Calderón to the Pistons. Despite a winning home record (21-20) the Raptors failed to secure a playoff spot with a 34-48 record. Context_9 : The 2014 Rafael Nadal tennis season officially began on 30 December 2013 with the start of the 2014 Qatar ExxonMobil Open. This season saw Nadal suffer from injuries that included a back injury, a wrist injury, and appendicitis. After losing in the final of the Australian Open where he suffered from a back injury, Nadal failed to defend his titles at Indian Wells, Barcelona, and Rome. He rebounded by claiming his 9th French Open. Prior to the North American hardcourt season, Nadal would experience another injury, this time a wrist injury which forced him to withdraw from the Rogers Cup, the Western & Southern Open and the US Open where he was the defending champion. Nadal announced on 24 October that he would not be competing for rest of the season due to appendicitis and eventually underwent surgery. Despite an injury plagued season, Nadal still ended the year at No. 3 with 4 titles. Context_10 : The 2002–03 NBA season was the Raptors' 8th season in the National Basketball Association. During the offseason, the Raptors acquired Lamond Murray from the Cleveland Cavaliers, but missed the entire season with a foot injury. Things looked bleak for the Raptors early in the season as Hakeem Olajuwon announced his retirement due to a back injury. The Raptors played around .500 with a 4–4 start to the season, but then lost six straight afterwards. The team then suffered a 12-game losing streak between December and January. In addition, Vince Carter continued to feel the lingering effect of his knee injury as he missed most of the first half of the season. Despite playing only 43 games, he was still voted to play in his fourth straight All-Star Game. However, Carter ended up giving the starting position to a retiring Michael Jordan. Despite this, the Raptors lost their final eight games of the season finishing seventh in the Central Division with a dismal 24–58 record. Following the season, Lenny Wilkens was let go as head coach of the Raptors, and was replaced with Kevin O'Neill. fact_1 : The 2002–03 NBA season was the Raptors' 8th season in the National Basketball Association. fact_2 :  Things looked bleak for the Raptors early in the season as Hakeem Olajuwon announced his retirement due to a back injury. fact_3 : Hakeem Abdul Olajuwon ( ; ] ; born January 21, 1963), formerly known as Akeem Olajuwon, is a Nigerian-American former professional basketball player. Answer: 1963
Output: In which year was this player born who announced his retirement due to a back injury early in the season during the unfortunate 2002–03 Toronto Raptors season?