Who won the Oscar for playing Blanche DuBois in 1951?

Who starred as Joe Gillis in 1950's "Sunset Boulevard"? Which giant monster, first seen in a 1954 Japanese film, famously threatens Tokyo? Which comedian joked, "When I was born my mother said, 'Get the doctor back, he's taken the baby and left the stork'"? James Mason played which German field marshal in films released in 1951 and 1953? In 1951, Burt Lancaster starred as which athlete? Which 1951 epic has lions taking on the Christians in Nero's Rome? The 1951 film about German general Erwin Rommel, starring James Mason, is titled with his nickname. What is it? In 1951, Fredric March starred as a worn-out traveling salesman in the film version of which Arthur Miller play?