Question: For which film, did the actor whose first credited screen role was in the film Mighty Joe Young, win an Academy Award ?
Sentence (from "Ben Johnson (actor)"): An elegiac portrayal of a former cowboy theatre owner in the 1950s coming-of-age drama, "The Last Picture Show", won Johnson the 1971 Academy Award for Best Supporting Actor and the BAFTA Award for Best Supporting Actor.
Relevant evidence: Yes