You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.

Category: ENTERTAINMENT HISTORY 
Clue: Originally known as the Missouri Rockets, they performed at the opening of an East Coast theatre in 1931
the rockettes

Category: FAMOUS HOTELS 
Clue: Cartoons from The New Yorker line the hallways of this hotel where Harold Ross conceived the magazine
the algonquin hotel

Category: HISTORIC PEOPLE 
Clue: Venetians called him "Il Milione", man of the million lies

marco polo