For which film did Jennifer Connelly win the Oscar for Best Supporting Actress?

For which film did Angelina Jolie win the Oscar for Best Supporting Actress? Who won the Oscar for Best Supporting Actress for 'Pollock'? For which film did Marcia Gay Harden win the Oscar for Best Supporting Actress? Who won the Oscar for Best Supporting Actress for 'A Beautiful Mind'? Who won the Oscar for Best Supporting Actress for 'Chicago'? For which film did Catherine Zeta-Jones win the Oscar for Best Supporting Actress? Who won the Oscar for Best Supporting Actress for 'Cold Mountain'? For which film did Renée Zellweger win the Oscar for Best Supporting Actress?