Question: What principal dancer in the Bolshoi ballet, born in 1988, is a student of Valery Lagunov?
Sentence (from "Vladislav Lantratov"): Vladislav Lantratov (Russian: Владислав Валерьевич Лантратов ; 8 October 1988) is a Russian principal dancer in the Bolshoi Ballet.
Relevant evidence: Yes