Question: What nationality is the lady who, with Sergei Dudakov coaches Yakau Zenko ?

Related documents: [0]  [DOC] Eteri Georgievna Tutberidze (Russian: Этери Георгиевна Тутберидзе ; born 24 February 1974) is a Russian figure skating coach. She coaches ladies' and men's singles. [END] 
[1]  [DOC] Yakau Zenko (born 21 July 2000) is a Belarusian figure skater. In the 2015–16 season, he became the Belarusian national senior bronze medalist and junior champion. He was selected to compete at the 2016 World Junior Championships in Debrecen. In Hungary, Zenko qualified for the final segment by placing 22nd in the short program. His 15th place in the free skate lifted him to 17th overall. He trains in Moscow, Russia. Formerly a student of Julia Soldatova at Moskvich, he is now coached by Eteri Tutberidze and Sergei Dudakov at Sambo 70. [END]  
Answer: Russian
Russian