Which European capital is centered on Skanderbeg Square?

Which is Alaska's official state gem, adopted in 1968, and also the name of Mick Jagger's daughter born in 1971? Alaska's state land mammal is which antlered animal, the largest member of the deer family? Which title character of Alban Berg's unfinished 1937 opera has a doubled-up name? Albania broke off relations with the Soviet Union in 1961 and allied itself with which Asian power? Alben Barkley was the 35th U.S. vice president. Who was the 34th? Albert Brooks cast which actress as the title character of his 1999 comedy "The Muse"? Albert Einstein announced his special theory of what in 1905, followed by his general theory in 1915? In 1921 Albert Einstein lectured on relativity in McCosh Hall at which New Jersey university?