Which band released the iconic album "Nevermind" in 1991?

Nirvana

Which actress starred as Buffy Summers in the series "Buffy the Vampire Slayer"? The Caucasus Mountains primarily run between the Black Sea and what other sea? Who is the front man of The Rolling Stones? Who directed the stop-motion animated musical "The Nightmare Before Christmas"? What was Prohibition intended to accomplish in America?