Question: what was the nationality of a boxer who was managed by Cedric Kushner and born in 7 January 1966?
Sentence (from "Pearls of the Deep"): Pearls of the Deep (Czech: Perličky na dně ) is a 1966 Czechoslovak anthology film directed by Jiří Menzel, Jan Němec, Evald Schorm, Věra Chytilová and Jaromil Jireš.
Relevant evidence: No