For her performance as Anita in the 1961 film adaptation of what musical did Rita Moreno become the first Latina to win an Academy Award for Best Supporting Actress?

West Side Story

Moreno's win for the 1961 film was later followed by Ariana DeBose winning the same award for the same role in the 2021 remake. Moreno is one of the few performers to achieve EGOT status, having won an Emmy, Grammy, Oscar, and Tony.