Question: What are the nationalities of Leonid Khachiyan and Sofia Kovalevskaya?
Sentence (from "Leonid Khachiyan"): Leonid Genrikhovich Khachiyan (Armenian: Լեոնիդ Գենրիխովիչ Խաչիյան ; Russian: Леонид Генрихович Хачиян ; May 3, 1952 – April 29, 2005) was a Soviet mathematician of Armenian descent who taught Computer Science at Rutgers University.
Relevant evidence: Yes