Question: what was the nationality of a boxer who was managed by Cedric Kushner and born in 7 January 1966?
Sentence (from "Cedric Kushner"): Boxers he promoted and/or managed included Hasim Rahman, Shannon Briggs, Oleg Maskaev, Chris Byrd, Corrie Sanders, Ike Ibeabuchi and David Tua.
Relevant evidence: Yes