What is the birth date of the member of the Spurs' who played center and retired before the 2003-04 NBA season?
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".
Claude Gregory Claude Andre Gregory (born December 26, 1958) is a retired American professional basketball player from Washington, D.C.. He was a 6'8" (203 cm) 205 lb (93 kg) forward.