Generate a correct and concise answer for the question based on the words in the context.

Ex Input:
Context : LeRoy S. Wirthlin (born 1935) was a professor at Harvard Medical School and later a practicing surgeon.
Question : Where did LeRoy S. Wirthlin study or work?

Ex Output:
Harvard Medical School

Ex Input:
Context : ''The Next Witness'' is a Nero Wolfe mystery novella by Rex Stout, first published as ''The Last Witness'' in the May 1955 issue of The American Magazine.
Question : The The Next Witness has what character?

Ex Output:
Nero Wolfe

Ex Input:
Context : In 2008, the Institut National d'Horticulture et de Paysage merged with Ecole nationale superieure agronomique de Rennes to form Agrocampus Ouest.
Question : By what was Institut National d'Horticulture et de Paysage replaced?

Ex Output:
Agrocampus Ouest