Who won the Oscar for Best Actress for 'The Piano'?

For which film did Kathy Bates win the Oscar for Best Actress? Who won the Oscar for Best Actress for 'The Silence of the Lambs'? Who won the Oscar for Best Actress for 'Howards End'? For which film did Emma Thompson win the Oscar for Best Actress? For which film did Holly Hunter win the Oscar for Best Actress? Who won the Oscar for Best Actress for 'Blue Sky'? For which film did Jessica Lange win the Oscar for Best Actress? Who won the Oscar for Best Actress for 'Dead Man Walking'?