Which actress has won the most Academy Awards for acting, with four wins?

What was the first feature-length 'talkie' film with synchronized dialogue, released in 1927? Which film won the first Academy Award for Best Picture (then called Outstanding Picture)? What is the name of the golden statuette awarded at the Academy Awards? In which Los Angeles theater has the Academy Awards ceremony been held since 2002? Which actor has won three Academy Awards for Best Actor? Which film won 11 Academy Awards, tying the record with 'Ben-Hur' and 'Titanic'? Which film holds the record for most Academy Award nominations, with 14, alongside 'Titanic' and 'La La Land'? Who was the first woman to win the Academy Award for Best Director?