Question: Andrei Okounkov and Moses Schönfinkel, were both mathematicians of which nationality?
Sentence (from "Musa Amer Obaid"): Musa Amer Obaid (Arabic: موسى عامر عبيد‎ ‎ , born April 18, 1985 in Kenya) is a middle distance runner mainly competing in steeplechase.
Relevant evidence: No