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: His doctoral thesis under the supervision of Charles Tart was on the phenomenology of deep states of hypnosis. He subsequently went on to do post-doctoral work in the area of dissociation and hypnosis at Stanford University under David Spiegel. Link Information: none Answer: none

Ex Output:
Which doctorate and post doctorate supervisor's that Cardena worked under was older?


Ex Input:
Context: After the war ended the DGOS presented performances by European opera companies such as the Opera-Comique, Hamburg Opera and the Netherlands Opera Link Information: none Answer: none

Ex Output:
Which European opera company presented by DGOS has been in operation for the greatest amount of years?


Ex Input:
Context: Creditsafe moved outside Europe in 2012 with the founding of Creditsafe United States in Allentown, Pennsylvania. Link Information: Allentown (Pennsylvania Dutch: Allenschteddel) is a city located in Lehigh County, Pennsylvania, United States. Answer: Lehigh County

Ex Output:

In what county is the city located where Creditsafe began its United States operations in 2012?