For which film did Brad Pitt win the Oscar for Best Supporting Actor?

Who won the Oscar for Best Supporting Actor for 'Three Billboards Outside Ebbing, Missouri'? For which film did Sam Rockwell win the Oscar for Best Supporting Actor? Who won the Oscar for Best Supporting Actor for 'Green Book'? Who won the Oscar for Best Supporting Actor for 'Once Upon a Time in Hollywood'? Who won the Oscar for Best Supporting Actor for 'Judas and the Black Messiah'? For which film did Daniel Kaluuya win the Oscar for Best Supporting Actor? Who won the Oscar for Best Supporting Actor for 'CODA'? For which film did Troy Kotsur win the Oscar for Best Supporting Actor?