Question: What is the Spanish ballet dancer who starred in The Sandman the artistic director of?
Context: Tamara Rojo CBE (born 17 May 1974) is a Spanish ballet dancer.  She is the artistic director of the English National Ballet, as well as a lead principal dancer.  She was previously a principal dancer with The Royal Ballet, and continues to perform with the company as a guest artist. Ross Stretton (6 June 1952 – 16 June 2005) was an Australian ballet dancer and artistic director.  As a dancer, he performed with the Australian Ballet, the Joffrey Ballet and the American Ballet Theatre.  He was later Artistic Director of the Australian Ballet (1997–2001) and the Royal Ballet (2001–2002). Francesco Ventriglia (born 9 June 1978) is an Italian ballet dancer, choreographer and artistic director.  He was, most recently, the Artistic Director of the Royal New Zealand Ballet from November 2014 until June 2017.  Ventriglia is also a choreographer of classical and contemporary Ballet, having works performed internationally by companies such as the Royal New Zealand Ballet, La Scala Ballet, Bolshoi Theatre, the Mariinsky Ballet. Eglė Špokaitė (born 1971 in Vilnius) is a Lithuanian ballet dancer, prima ballerina of the Lithuanian National Opera and ballet theater (1989–2011).  Founder and artistic director of "Ballet Institute of San Diego" in US.  as wells as co-founder and artistic director of "Egle Spokaite Ballet School"in Vilnius, Lithuania.  Actress, choreographer and public speaker.  Winner of the Lithuanian National Prize, as well as other numerous awards and honors.  Lives and works between Vilnius and San Diego Reid Bryce Anderson (born 1 April 1949) is a Canadian ballet dancer, ballet director, and artistic director.  He danced with the Stuttgart Ballet before returning as artistic director of the National Ballet of Canada in 1987.  He returned to the Stuttgart Ballet as artistic director in 1996. Evan McKie (born April 7, 1983) is a Canadian ballet dancer, writer, and artist.  London's "Dance Europe" Magazine recently stated that McKie's performances are "within the realm of best in the World."  He is a Principal Dancer with the National Ballet of Canada and has the rare opportunity to perform as a guest dancer with companies including the Paris Opera Ballet, Bolshoi Ballet, Mariinsky Ballet and Tokyo Ballet.  In a statement to the The Toronto Star Newspaper, The National Ballet of Canada's Artistic Director, Karen Kain, noted "McKie is one of the finest dancers of his generation."  McKie continues to have very close ties with the Stuttgart Ballet, where he trained and rose through the company's ranks.  He is also a contributor and Advisory Board member for American Dance Magazine and has been a freelance contributor for Canada's National newspaper, The Globe and Mail, often writing preview pieces for upcoming productions. Igor Dmitrievich Belsky (Russian: Игорь Дмитриевич Бельский ; 28 March 1925, Saint Petersburg, Russia – 3 July 1999, Saint Petersburg) was a Russian ballet dancer and choreographer.  After 20 years of solo work (1942–62) he became a chief choreographer of Maly Theatre (1962–73), artistic director of Kirov Ballet (1973–77), artistic director of Cairo Ballet (1977–78), chief ballet master at the Leningrad Music Hall (1979–92), and artistic director of the Vaganova Academy of Russian Ballet. Robert Weiss is an American ballet dancer, choreographer, and Artistic Director of Carolina Ballet.  He began his professional career at age 17 joining the New York City Ballet under George Balanchine, eventually becoming a Principal Dancer.  Balanchine created several roles for him, including Ballo della Regina.  Weiss remained with the New York City Ballet for 16 years.  He later served as Artistic Director of the Pennsylvania Ballet from 1982 to 1990.  Weiss then became the founding Artistic Director of Carolina Ballet in 1997 where he has remained to this day. Ben Stevenson OBE (born 4 April 1936), is a former ballet dancer with Britain's Royal Ballet and English National Ballet, co-director of National Ballet of Washington, D.C. (1971–1974), artistic director of Chicago Ballet (1974-1975), artistic director of Houston Ballet (1976–2003), and current artistic director of Texas Ballet Theater (2003–present). The Sandman is a 2000 dance film made by the Brothers Quay and William Tuckett.  A televised ballet, it starsTamara Rojo, Irek Mukhamedov, Zenaida Yanowsky, and Heathcote Williams.  It is loosely based on E. T. A. Hoffmann's story "The Sandman".
Answer: the English National Ballet