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 Q]: Context: Upon mobilization and the declaration of war, the 1st Battalion, Wilts deployed to France as part of the 3rd Division's 7th Brigade, landing in France on 14 August 1914 Link Information: none Answer: none
[EX A]: How long had the 7th Brigade existed before Wilts was deployed to France?

[EX Q]: 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 A]: Which doctorate and post doctorate supervisor's that Cardena worked under was older?

[EX Q]: Context: Billy Hughes was a former prime minister who had been successively a member of the Labor Party, Link Information: William Morris Hughes, (25 September 186228 October 1952) was an Australian politician who served as the 7th Prime Minister of Australia, in office from 1915 to 1923. Answer: 1915 to 1923
[EX A]:
What years was Billy Hughes the prime minister?