Question: Who is this retired Chinese professional basketball player from the Houston Rockets of the National Basketball Association that is one of the tallest players in China along with Mu Tiezhu and Sun Mingming?
Sentence (from "Sun Jun (basketball)"): Sun Jun (Chinese:孙军, born June 22, 1969 in Changchun, Jilin, China) is a retired Chinese professional basketball player and an assistant basketball coach of the senior Chinese national basketball team.
Relevant evidence: No