Question: What year was the Australian opera singer appearing on The Dangerous Liaisons born?

Context paragraphs:
Dangerous Liaisons (2012 film): Dangerous Liaisons () is a 2012 Chinese film by Hur Jin-ho loosely based on the novel with the same title by Pierre Choderlos de Laclos.  The novel has been adapted numerous times, including "Les Liaisons Dangereuses", an adaptation by Roger Vadim (1959), the eponymous Hollywood film (1988), Valmont (1989), "Cruel Intentions" (1999), and "Untold Scandal" from South Korea (2003).

Christopher Hampton: Christopher James Hampton, CBE, FRSL (born 26 January 1946) is a British playwright, screenwriter, translator and film director.  He is best known for his play based on the novel "Les Liaisons dangereuses" and the film version "Dangerous Liaisons" (1988) and also more recently for writing the nominated screenplay for the film adaptation of Ian McEwan's "Atonement".

The Dangerous Liaisons: The Dangerous Liaisons is an opera in two acts and eight scenes, with music by Conrad Susa to an English libretto by Philip Littell.  It is based on the novel "Les Liaisons dangereuses" by Pierre Choderlos de Laclos.  The opera received its first performance by the San Francisco Opera on 10 September 1994, with stage direction by Colin Graham and Donald Runnicles as the conductor.  The world-premiere cast included Thomas Hampson as Valmont, Frederica von Stade as Merteuil, David Hobson as Chevalier de Danceny, Renée Fleming as Tourvel and Mary Mills as Cécile de Volanges.  The opera was performed at Washington Opera in March 1998.

David Hobson (tenor): David Hobson (born 18 November 1960) is an Australian opera singer and composer.

Les Liaisons dangereuses (miniseries): Les Liaisons dangereuses (English title: Dangerous Liaisons) is a 2003 French television mini-series directed by Josée Dayan starring Catherine Deneuve, Rupert Everett, Nastassja Kinski and Leelee Sobieski.  It is based on the classic eighteenth-century novel "Les Liaisons dangereuses" by Pierre Choderlos de Laclos.

Hank Moonjean: Hank Moonjean (January 19, 1930 – October 7, 2012) was an American film producer, executive producer, and associate producer.  His production credits included "Dangerous Liaisons", "Child's Play", and "The Great Gatsby" and several movies featuring Burt Reynolds.  Moonjean and film producer Norma Heyman jointly received an Academy Award for Best Picture nomination for the 1988 dramatic film, "Dangerous Liaisons".

Dangerous Liaisons: Dangerous Liaisons is a 1988 American historical drama film based upon Christopher Hampton's play "Les liaisons dangereuses", which in turn was a theatrical adaptation of the 18th-century French novel "Les Liaisons dangereuses" by Pierre Choderlos de Laclos.

Les Liaisons dangereuses (film): Les liaisons dangereuses (Dangerous Liaisons) is a 1959 French-language film, loosely based on the 1782 novel by Pierre Choderlos de Laclos, though is set in present-day France.

Dangerous Liaisons (disambiguation): Dangerous Liaisons is a 1988 American film adaptation of a Christopher Hampton play based on "Les Liaisons dangereuses", a French novel by Choderlos de Laclos.

Valerie Gogan: Valerie Gogan is a Scottish actress.  Gogan was born in Scotland in 1960/1961 and left her native Glasgow in the 1980s to train at LAMDA.  She made her film debut in "Dangerous Liaisons".  She later starred in "One More Kiss" and "Heart of the High Country", and had a major recurring role in the BBC series "Hamish Macbeth".  She is also known for principal roles in "Waking the Dead", "The Bill", "Doctors", "Peak Practice" and "David Copperfield".  On stage, she has worked with The Royal Shakespeare Company, the Royal National Theatre and in London's West End, appearing in, among others, "A Doll's House", "Les liaisons dangereuses", "The Rehearsal" and "The Secret Rapture".

Supporting paragraphs: The Dangerous Liaisons David Hobson (tenor)
Answer: 1960