Question: What is the birthdate of this American former professional basketball player, who played for the New Jersey Nets and asked to be called Jay on joining the Bulls in 2002?
Sentence (from "Jay Williams (basketball)"): He last signed with the Austin Toros of the NBA Development League, but was waived by the Toros on December 30, 2006 due to lingering physical effects from a 2003 motorcycle accident.
Relevant evidence: No