I got a question for you: Marion Mitchell Morrison (born Marion Robert Morrison; May 26, 1907 -- June 11, 1979), known professionally as John Wayne and nicknamed "The Duke", was an American actor and filmmaker. An Academy Award-winner for True Grit (1969), Wayne was among the top box office draws for three decades.

Based on this passage, what movie did john wayne get an oscar for?
Let's think first:
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The relevant sentence in the passage is: An Academy Award-winner for True Grit (1969), Wayne was among the top box office draws for three decades.
Therefore, the answer is True Grit ( 1969 ).
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