Question: What Sudanese-born Australian professional basketball player for the Milwaukee Bucks of the National Basketball Association (NBA) held himself back a year in high school before declaring for the NBA Draft?
Sentence (from "1977 NBA draft"): Four former American Basketball Association (ABA) franchises who joined the NBA when both leagues merged, the Denver Nuggets, the Indiana Pacers, the New York Nets and the San Antonio Spurs, took part in the NBA Draft for the first time.
Relevant evidence: No