Question: What is the birth date of the member of the Spurs' who played center and retired before the 2003-04 NBA season?
Sentence (from "2003–04 San Antonio Spurs season"): 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.
Relevant evidence: No