In which 1950 film does Judy Holliday tell Broderick Crawford, "You're just not couth"?

In 1950, 12-year-old Kathryn "Tubby" Johnston became the first girl to play in which youth sports organization? Which 1950 film ends with the line "All right, Mr. DeMille, I'm ready for my close-up"? Which 1950 film includes the line "Fasten your seatbelts. It's going to be a bumpy night"? The island nation of Fiji lies in which ocean region, the title of a 1950 Pulitzer-winning musical? Which girl's name means "pretty" in Spanish? In 1950's "Sunset Boulevard," which former silent star says, "I am big. It's the pictures that got small"? Mr. Beaver, the White Witch and Aslan appear in which 1950 novel? Who composed the music for the 1949 musical "South Pacific"?