For which film did Mikey Madison win the Oscar for Best Actress?

For which film did Jessica Chastain win the Oscar for Best Actress? For which film did Michelle Yeoh win the Oscar for Best Actress? Who won the Oscar for Best Actress for 'Poor Things'? Who won the Oscar for Best Actress for 'Anora'? Who won the Oscar for Best Supporting Actor for 'The Cider House Rules'? Who won the Oscar for Best Supporting Actor for 'Traffic'? For which film did Benicio del Toro win the Oscar for Best Supporting Actor? Who won the Oscar for Best Supporting Actor for 'Iris'?