Question: Casey Dellacqua and Yevgeny Kafelnikov are both what?
Sentence (from "Yevgeny Kafelnikov"): Yevgeny Aleksandrovich Kafelnikov (Russian: Евгений Александрович Кафельников ] ; born 18 February 1974) is a Russian former world No. 1 tennis player.
Relevant evidence: Yes