Question: What principal dancer in the Bolshoi ballet, born in 1988, is a student of Valery Lagunov?

<P0-S0> Vladislav Lantratov (Russian: Владислав Валерьевич Лантратов ; 8 October 1988) is a Russian principal dancer in the Bolshoi Ballet. <SEP> <P1-S0> Valentina Kozlova (born August 26, 1957) is a Soviet-born Russian American ballerina and founder of Valentina Kozlova International Ballet Competition. <P1-S1>  In 1979, while on tour as a young principal dancer with the Bolshoi Ballet, Kozlova defected to the United States, where she became a principal dancer with New York City Ballet and later, opened her own ballet school. <P1-S2>  Perhaps best known as a lyrical and expressive ballerina, Kozlova is also renowned as a private coach, producing students who have gone on to garner prestigious prizes and positions in companies such as Boston Ballet, American Ballet Theatre Washington Ballet, Stuttgarter Ballet, Les Ballets Trocadéro de Monte Carlo, Universal Ballet, and the National Ballet of Cuba. <SEP> <P2-S0>  In 1962 he graduated from the Moscow State Choreographic Academy where his teacher was Aleksey Yermolayev, and same year joined Bolshoi Ballet. <P2-S1>  He first appeared in "Scriabiniana" as "Garland" in 1962 and four next year played in "Sleeping Beauty" as "Prince". <P2-S2>  In 1966 he played as one of the shepherd boys in "the Nutcracker" and five years later appeared as "Archon" in "Icarus". <P2-S3>  In 1972 he participated in the "Swan Lake" where he played a role of "Evil genius" and the same year played a role as a "dance teacher" in "Cinderella". <P2-S4>  Three years later he appeared as "Albrecht" in "Giselle" and by 1976 played a role of "black man" in "Mozart and Salieri". <P2-S5> Lagunov was born on July 2, 1942 in Moscow, Russia. <P2-S6>  The same year he was named "Merited Artist of the Russian Federation" and also appeared as "Don Juan" in "Love for Love". <P2-S7>  In 1979 he graduated from the Russian University of Theatre Arts and retired as a dancer in 1983. <P2-S8>  Since 1996 he teaches such future ballet dancers as Mikhail Lobukhin and Vladislav Lantratov. <SEP> <P3-S0> Irek Mukhamedov OBE (born March 8, 1960 in Kazan, USSR), is a Soviet-born ballet dancer of Tatar origin who has danced with the Bolshoi Ballet & the Royal Ballet He trained at the Moscow Choreographic Institute under the guidance of Alexander Prokofiev between 1970 and 1978. <P3-S1>  Upon graduation he joined the Classical Ballet Company, where he spent three years touring around the world. <P3-S2>  It was with this company that he first danced Romeo, a role that was to become one of his most acclaimed. <P3-S3>  In 1981 he won the Grand Prix and Gold Medal at the International Ballet Competition in Moscow and was immediately invited to join the Bolshoi Ballet as a principal dancer, where he not only became Grigorovich's favourite danseur but went to become the youngest man ever to dance the leading role in "Spartacus". <P3-S4>  After leaving the Soviet Union, he became a Senior Principal Dancer with the Royal Ballet in London, remaining with the company for many years and dancing lead roles in the classic ballets as well as the English repertoire.