TASK DEFINITION: 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.
PROBLEM: Category: FRENCH NOVELISTS 
Clue: A relative of Henri Bergson's wife, he used Bergson's mystical concepts of time in his most famous work

SOLUTION: marcel proust

PROBLEM: Category: SCULPTURE 
Clue: Standing on the banks of the Concord River, it's also known as the "Statue of the Embattled Farmer"

SOLUTION: the minuteman statue

PROBLEM: Category: SHOW BUSINESS 
Clue: This 1957 Buddy Holly hit was inspired by a line of dialogue from the John Wayne film "The Searchers"

SOLUTION:
that\'ll be the day