Question: Did Ian Mckerlich and Oksana Khvostenko share the same nationality?
Sentence (from "2019 Oracle Challenger Series – New Haven – Women's Doubles"): Anna Blinkova and Oksana Kalashnikova won the title, defeating Usue Maitane Arconada and Jamie Loeb in the final, 6 – 2, 4 – 6,[ 10 – 4].
Relevant evidence: No