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: BEFORE, DURING & AFTER 
Clue: The "holy" first pope is in this '60s folk trio also including this actress who was "America's Sweetheart"
pope peter paul and mary pickford

Category: VINCENT 
Clue: With Curt Gentry, he wrote "Helter Skelter: The True Story of the Manson Murders"
vincent bugliosi

Category: COUNTRIES BY COLLEGE 
Clue: Universita Degli Studi di Siena, Politechnico di Bari

italy