Question: Ellen Mirojnick worked on the film about which pianist?

Context paragraphs:
Kim Roberts (filmmaker): Kim Roberts, A.C.E., is an American filmmaker who has worked primarily on documentaries as a film editor and writer.  Roberts has a master's degree in documentary film production from Stanford University (1996).  Her first credit as an editor was for "Long Night's Journey into Day" (2000), which was directed by Deborah Hoffmann and Frances Reid and that was nominated for the Academy Award for Best Documentary Feature.  She was credited as both an editor and writer for "Great Wall Across the Yangtze" (2000), which was directed by Ellen Perry.  Her work since then and several of her honors are sketched in the filmography below.  Roberts was featured in a "New York Times" article on film editing in 2012.  She has been selected for membership in the American Cinema Editors, which entitles editors to append "A.C.E." to their film credits.

Emir Işılay: Emir Işılay is a Turkish jazz and film composer and pianist/keyboardist.  He is a graduate of Berklee College of Music and has worked as a music arranger/orchestrator/engineer on projects including TV series "Boomtown" (NBC) and "Eyes" (ABC), as well as the feature film "Soul Plane" (MGM).  He also wrote additional music for the WB TV series Aaron Spelling production "Summerland" for the 1st and 2nd seasons (26 episodes) and Lifetime Television feature production "Murder on Pleasant Drive".  He has played performed or worked with artists such as David Foster, Russell Ferrante, Heitor Pereira, Marco Mendoza, Michael Landau, Simon Phillips, and Jon Finn.  He currently resides in Los Angeles, California.

Egil Kapstad: Egil Kapstad (6 August 1940 – 13 July 2017) was a Norwegian jazz pianist, composer and arranger.  He wrote the music for more than 50 productions for theater, and also composed for film and television drama.  Kapstad composed classical works for orchestra, choir, string quartet, and smaller ensembles, and was a chief executive of the association "Ny Musikk".  He worked as a host in television for NRK.  Egil Kapstad's Trio worked as a small orchestra in the Norwegian Melodi Grand Prix of 1965.

Behind the Candelabra: Behind the Candelabra is a 2013 American drama film directed by Steven Soderbergh.  It dramatizes the last ten years in the life of pianist Liberace and the relationship he had with Scott Thorson.  It is based on Thorson’s memoir, "" (1988).  Richard LaGravenese wrote the screenplay.  Jerry Weintraub was the executive producer.  It premiered at the 2013 Cannes Film Festival on May 21, 2013 and competed for the Palme d'Or.  It aired on HBO on May 26, 2013 and was given a cinematic release in the United Kingdom on June 7, 2013.  The film received general acclaim from television critics including praise for the performances of Michael Douglas and Matt Damon.

Ellen Mirojnick: Ellen Mirojnick is an American costumer designer.  She won an Emmy for her work on "Behind the Candelabra" (2013).   Her other work includes "The Knick" (2014) and "Basic Instinct" (1992).

Ellen Goosenberg Kent: Ellen Goosenberg Kent is an American film producer and director.  She is best known for directing and co-producing documentary film "" (2013), which won the Academy Award for Best Documentary (Short Subject) at the 87th Academy Awards; the win was shared with producer Dana Perry.  Throughout her career, she has worked on numerous films, mostly on television documentaries, including "I Have Tourette's but Tourette's Doesn't Have Me" (2005) and "" (2007).  She has won four Emmy awards out of six nominations for her work on HBO.

Willi Wolff: Willi Wolff (1883–1947) was a German screenwriter, film producer and director.  He was married to the silent film star Ellen Richter whose films he often worked on.

Jimmy Dale (musician): Jimmy Dale (23 October 1935 – 20 May 2017) was a British-born Canadian arranger, composer, conductor, organist, and pianist.  He was active as a music director for both Canadian and United States television during the 1970s and 1980s.  He has also composed several film and television scores and written a number of TV theme songs and jingles.  He has also worked as an arranger and pianist for both performances and recordings with several notable artists.

In This Our Life: In This Our Life is a 1942 American drama film, the second to be directed by John Huston.  The screenplay by Howard Koch is based on the 1941 Pulitzer Prize-winning novel of the same title by Ellen Glasgow.  The cast included the established stars Bette Davis and Olivia de Havilland as sisters and rivals in romance and life.  Raoul Walsh also worked as director, taking over when Huston was called away for a war assignment after the United States entered World War II, but he was uncredited.  This film was the third of six films that de Havilland and Davis starred in together.

Andrew Waller: Andrew Waller is an American film director.  He has directed the films "Taking Five" and "", both of which were released in 2007.  Prior to directing, he worked as a photographer on the short films "Liquid" (2001), "Hairless" (2004) and "Miracle Mile" (2004).  In 2005, he directed and wrote the short film "Candy Paint".  He also worked as a location assistant on the 1996 film "Mr. Wrong" starring Ellen DeGeneres and Bill Pullman.

Supporting paragraphs: Ellen Mirojnick Behind the Candelabra
Answer: Liberace