Task: Question Answering
Input (English): passage: Following his death on 22 January 2008, Ledger received numerous posthumous awards and honours. He shared the 2007 Independent Spirit Robert Altman Award with the rest of the ensemble cast for the 2007 biographical film I'm Not There. In his penultimate film performance, Ledger was nominated and awarded for his portrayal of the Joker in The Dark Knight (2008). His wins include an Academy Award, BAFTA, Golden Globe Award, and Screen Actors Guild Award for Best Supporting Actor. Ledger also won the Best Actor International Award at the 2008 AFI Awards ceremony, for which he became the first actor to win an award posthumously. In August 2008, Ledger was posthumously honoured at the Brisbane International Film Festival with the Chauvel Award in recognition of his contribution to the Australian film industry.
 question: did heath ledger win an oscar for joker?
Output (English): Yes