Question: What Australian actress starred in the movie whose soundtrack won a 1998 Academy Award?
Context: Elizabeth is the original soundtrack of the 1998 Academy Award- and Golden Globe-winning film "Elizabeth" starring Cate Blanchett, Geoffrey Rush, Christopher Eccleston, Richard Attenborough and Joseph Fiennes.  The original score was composed by David Hirschfelder. Vivegam (English: "Prudence" ) is a 2017 Indian Tamil-language action thriller film co-written and directed by Siva.  The movie features Ajith Kumar as primary lead, with Vivek Oberoi, Kajal Aggarwal and Akshara Haasan playing the supporting roles.  The film's background score and soundtrack were composed by Anirudh Ravichander, whose soundtrack album released on 7 August 2017.  Cinematography was performed by Vetri and editing by Anthony L. Ruben. Martin David William Childs MBE (born 1 July 1954), is a British production designer.  He won the 1998 Academy Award for best Art Direction-Set Decoration (jointly with Jill Quertier) for Shakespeare in Love, and was nominated at the 74th Academy Awards for his work on the film "Quills".  He has also been nominated once for the Art Directors Guild Award for Excellence in Production Design, and three times for a BAFTA Award for Best Production Design. American actress, singer, and songwriter Miley Cyrus has appeared in music videos, films, and television series.  From 2006 to 2011, Cyrus starred in the television series "Hannah Montana" as Miley Stewart and her alter ego, Hannah Montana.  In 2009, Cyrus starred in the feature film "", whose soundtrack included her lead single "The Climb".  Her other films included voicing the role of Penny in the animated film "Bolt" in 2008, "The Last Song" with Liam Hemsworth in 2010, and "LOL" with Demi Moore in 2012.  Her song "When I Look at You" was part of "The Last Song" soundtrack with the music video directed by the film's producer, Adam Shankman. Rachel Anne Griffiths (born 18 December 1968) is an Australian actress.  She came to prominence with the 1994 film "Muriel's Wedding" and her Academy Award nominated performance in "Hilary and Jackie" (1998).  She portrayed masseuse Brenda Chenowith in the HBO series "Six Feet Under" and Sarah Walker Laurent on the ABC drama series "Brothers & Sisters".  Griffiths has received a Golden Globe Award, two Screen Actors Guild Awards, three Australian Film Institute Awards, and an Academy Award nomination for her work. Catherine Elise Blanchett, {'1': ", '2': ", '3': ", '4': "} ( ; born 14 May 1969) is an Australian actress and theatre director.  She has received international acclaim and many accolades, including two Academy Awards, three Golden Globe Awards, three BAFTA Awards, six AACTA Awards, and three Screen Actors Guild Awards. Blanchett came to international attention for her role as Elizabeth I of England in Shekhar Kapur's 1998 film "Elizabeth", for which she won the BAFTA Award for Best Actress, the Golden Globe Award, and earned her first Academy Award for Best Actress nomination.  Her portrayal of Katharine Hepburn in Martin Scorsese's 2004 film "The Aviator" brought her critical acclaim and many accolades, including the Academy Award for Best Actress in a Supporting Role, making her the only actor to win an Oscar for portraying another Oscar-winning actor.  In 2013, she starred as Jasmine Francis in Woody Allen's "Blue Jasmine", for which she won numerous accolades including the Academy Award for Best Actress. American actress, singer, and songwriter Emily Osment has appeared in music videos, films, and television series.  Since 2014, Osment has starred as Gabi Diamond in the show Young & Hungry.  In 2011, Osment starred in the movie Cyberbully, whose soundtrack includes the song Drift.  Her other films include the role of Lilly Truscott in the Disney (2009), Dadnapped (2009), Kiss Me (2014); among others.  In 2014, her song "In Case Of Fire" was part of the soundtrack of the film A Daughter's Nightmare, in which she is the protagonist. Anders Thomas Jensen (born 6 April 1972) is a Danish screenwriter and film director.  His film "Election Night" won the 1998 Academy Award for Best Live Action Short Film. "Zoom-Zoom-Zoom" (also known as "Zum Zum Zum" or "Zoom Zoom") is the title of a capoeira song, made popular by the 1994 movie, "Only The Strong", for whose soundtrack it was recorded by Jibril Serapis Bey.  It is one of three Serapis Bey recordings which appear on the soundtrack to the film.  Another recording of "Zum Zum Zum" was made by Spank for the year 2000 Mazda car commercials in conjunction with the company's slogan "Zoom-Zoom." Geoffrey Roy Rush {'1': ", '2': ", '3': ", '4': "} (born 6 July 1951) is an Australian actor and film producer.  Rush is the youngest amongst the few people who have won the "Triple Crown of Acting": the Academy Award, the Primetime Emmy Award, and the Tony Award.  He has won one Academy Award for acting (from four nominations), three British Academy Film Awards (from five nominations), two Golden Globe Awards and four Screen Actors Guild Awards. Rush is the founding President of the Australian Academy of Cinema and Television Arts and was named the 2012 Australian of the Year.  He is also the first actor to win the Academy Award, BAFTA Award, Critics' Choice Movie Award, Golden Globe Award, and Screen Actors Guild Award for a single performance in film for his performance in "Shine" (1996).
Answer: Cate Blanchett