title: Batman (1989 film)
context: Batman is a 1989 American superhero film directed by Tim Burton and produced by Jon Peters and Peter Guber, based on the DC Comics character of the same name. It is the first installment of Warner Bros.' initial Batman film series. The film stars Michael Keaton as Bruce Wayne/Batman and Jack Nicholson as the Joker, alongside Kim Basinger, Robert Wuhl, Pat Hingle, Billy Dee Williams, Michael Gough and Jack Palance. The film takes place early in the title character's war on crime, and depicts a battle with his nemesis the Joker.
question: When did Batman premier?
answers: 1989