TASK DEFINITION: Generate a question which can yield the answer mentioned in the input. Generated question must be answered by the answer provided in input, without using any extra knowledge.
PROBLEM: Context : Since its creation in 1923, The Hague Academy of International Law has occupied premises at the Peace Palace. 
Answer : 1923

SOLUTION: When date was the official opening of Hague Academy of International Law?

PROBLEM: Context : ``What Lies Below'' is the 13th episode of the second season of the American science fiction drama television series Fringe. 
Answer : Fringe

SOLUTION: Which series was What Lies Below in?

PROBLEM: Context : Edwin Ellsworth Peabody, known as Eddie Peabody (February 19, 1902 -- November 7, 1970) was an American banjo player, instrument developer, and musical entertainer whose career spanned five decades. 
Answer : banjo

SOLUTION:
Which instrument did Eddie Peabody play?