In this task, you're given a context, further information available on a particular linked term from the statement, and an answer term. Your job is to generate a question that can use the information provided to obtain the given answer. You should use the information on both context and link information to create the question. Note that the answer to the question should be exactly the given answer, and if the answer is none, the answer to the question shouldn't be obtainable from the context or linked information.

Ex Input:
Context: She previously taught at the London School of Economics, New York University, and the University of Chicago. Link Information: 

The London School of Economics (officially the London School of Economics and Political Science, often referred to as LSE) is a public research university located in London, England Answer: London, England

Ex Output:
What cities had Chen taught in before she took the job as the Malcolm K. Brachman Professor of Economics at Yale?


Ex Input:
Context: Kevin Francis (born June 5, 1993) is a professional Canadian football linebacker for the Ottawa Redblacks of the Canadian Football League (CFL). Link Information: none Answer: none

Ex Output:
Who is the headcoach of the team Francis plays for?


Ex Input:
Context: In 1919, while working as a consultant to the British entrepreneur Lord Cowdray, DeGolyer negotiated the sale of the El Aguila company to Royal Dutch Shell. Link Information: John Clarence Karcher (June 4, 1894 – July 13, 1978) Answer: 25

Ex Output:

How old was J. Clarance Karcher the year Royal Dutch Shell purchased El Aguila?