Question: What is the birth date of the member of the Spurs' who played center and retired before the 2003-04 NBA season?

Context paragraphs:
David Robinson (basketball): David Maurice Robinson (born August 6, 1965) is an American former professional basketball player, who played center for the San Antonio Spurs in the National Basketball Association (NBA) for his entire career.  Based on his prior service as an officer in the United States Navy, Robinson earned the nickname "The Admiral".

2003–04 New Jersey Nets season: The 2003–04 NBA season was the Nets' 37th season in the National Basketball Association, and 28th season in East Rutherford, New Jersey.  After speculating that he would sign with the defending champion San Antonio Spurs in the off-season, Jason Kidd signed a 6-year, $99 million deal to stay with the Nets.

2003–04 Miami Heat season: The 2003–04 NBA season season was the 16th season for the Miami Heat in the National Basketball Association.  This season saw the team draft future All-Star and 3-time NBA Champion Dwyane Wade with the fifth overall pick in the 2003 NBA draft, while acquiring forward Lamar Odom from the Los Angeles Clippers.  Before the season began, head coach Pat Riley resigned, but he would later return midway in the 2005–06 season and help guide the Heat to their first ever NBA championship.  Under new head coach Stan Van Gundy, the Heat stumbled out of the gate losing their first seven games.  However, the team would play .500 basketball for the remainder of the season winning 14 of their final 17 games.  Despite posting a mediocre 42–40 record, the Heat entered the playoffs as the #4 seed in the Eastern Conference.  Wade had a stellar rookie season averaging 16.2 points per game, and was selected to the All-Rookie First Team.

2003–04 Seattle SuperSonics season: The 2003–04 NBA season was the SuperSonics' 37th season in the National Basketball Association.  During the offseason, the Sonics signed free agent Antonio Daniels.  The Sonics started the season in Tokyo, Japan with a two game series against the Los Angeles Clippers.  The Sonics got off to a 5–1 start, but played around .500 for the first half of the season.  Ray Allen played his first full season as a member of the Sonics after being acquired from the Milwaukee Bucks in a trade last February.  Despite missing the first 25 games due to an ankle injury, he was voted to play in the 2004 NBA All-Star Game.  This was Allen's fourth overall All-Star Game appearance and his first as a member of the Sonics.  However, despite a 7-game winning streak in March, the Sonics lost seven of their final ten games ending the season fifth in the Pacific Division with a 37–45 record, missing the playoffs.  Following the season, Brent Barry signed as a free agent with the San Antonio Spurs.

1999–2000 San Antonio Spurs season: The 1999–2000 NBA season was the Spurs' 24th season in the National Basketball Association, 27th season as the Spurs, and the 33rd season as a franchise.  During the offseason, the Spurs signed free agents Terry Porter and Samaki Walker.  Coming off their first NBA championship, the Spurs were still among the best teams in the West winning 14 of their first 17 games.  They battled for first place in the Midwest Division all season, with Tim Duncan and David Robinson both being selected for the 2000 NBA All-Star Game.  On March 14, the Spurs playoff spirits would get a lift when Sean Elliott, who received a kidney transplant prior to the season returned and played in the final 19 games.  However, as the season wounded down, Duncan suffered a knee injury as the Spurs finished second in the Midwest Division with a 53–29 record.  Without Duncan in the playoffs, the Spurs lost four games in the first round to the 5th-seeded Phoenix Suns.  Following the season, Mario Elie signed as a free agent with the Phoenix Suns, and Jerome Kersey signed with the Milwaukee Bucks.

2003–04 San Antonio Spurs season: The 2003-04 NBA season was the Spurs' 28th season in the National Basketball Association, the 31st in San Antonio, and 37th season as a franchise.  During the offseason, the Spurs acquired Hedo Türkoğlu from the Sacramento Kings in a three-team trade and signed free agent Robert Horry, who won championships with the Houston Rockets and Los Angeles Lakers.  Despite the retirement of David Robinson, and playing around .500 in November, the Spurs posted a 13-game winning streak in January and won their final eleven games of the season, finishing second in the Midwest Division with a 57–25 record.  2-time MVP Tim Duncan was selected for the 2004 NBA All-Star Game.

Desmond Penigar: Desmond Penigar (born July 16, 1981) is an American professional basketball player.  A 6'7" 245 lb forward, he attended Utah State University and Ventura College.  Penigar was a member of the Orlando Magic of the National Basketball Association during the 2003-04 NBA season.  As a member of the Asheville Altitude, he won the 2003-04 National Basketball Development League Rookie of the Year.

2003–04 Chicago Bulls season: The 2003–04 NBA season was the Bulls' 38th season in the National Basketball Association.  During the offseason, the Bulls re-signed free agent and former All-Star forward Scottie Pippen, who won championships with the team in the 1990s along with Michael Jordan.  However, they continued to struggle finishing last place in the Central Division with a 23–59 record, missing the playoffs for the sixth straight season.  Following the season, Pippen retired and Jamal Crawford was traded to the New York Knicks.  (See "2003–04 Chicago Bulls season#Regular season")

2003–04 Philadelphia 76ers season: The 2003–04 NBA season was the 76ers' 65th season, and their 55th in the National Basketball Association.  During the offseason, the Sixers acquired All-Star forward Glenn Robinson from the Atlanta Hawks and rookie Kyle Korver, who was drafted by the New Jersey Nets in the 2003 NBA draft.  Before the season, the Sixers hired Randy Ayers to be their head coach.  However, at midseason, Ayers was fired after a 21–31 start, and interim head coach Chris Ford took over for the rest of the season.  Team captain Allen Iverson was the topic of the team's 2003–04 season as he was marked by controversies and criticisms.  Despite Iverson playing only 48 games due to injuries, he still was voted to start in the 2004 NBA All-Star Game.  Robinson finished second on the team in scoring averaging 16.6 points per game, but played just 42 games due to ankle and elbow injuries.

2003–04 Houston Rockets season: The 2003–04 NBA season was the Rockets' 37th season in the National Basketball Association, and their 33rd season in the city of Houston.  The season saw the Rockets move their home games from Compaq Center to the new Toyota Center.  During the offseason, the Rockets hired head coach Jeff Van Gundy, who is best known for his tenure with the New York Knicks, and signed free agent Jim Jackson.  Midway through the season, they signed free agent point guard Mark Jackson.  The Rockets finished fifth in the Midwest Division with a 45–37 record, and qualified for the playoffs for the first time since 1999 as the number 7 seed in the Western Conference.  Second-year star Yao Ming and Steve Francis were both selected for the 2004 NBA All-Star Game.  However, the Rockets were eliminated from the first round of the playoffs by the Los Angeles Lakers, who added Karl Malone and Gary Payton to join Shaquille O'Neal and Kobe Bryant, in five games.  This also marked Francis' only playoff appearance in his career.  Following the season, he was traded along with Cuttino Mobley and Kelvin Cato to the Orlando Magic, and Mark Jackson retired.

Supporting paragraphs: 2003–04 San Antonio Spurs season David Robinson (basketball)
Answer: August 6, 1965