instruction:
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.
question:
Context: Rear Admiral Herbert James Ray (1 February 1893 – 3 December 1970) was an officer in the United States Navy who served in World War I and World War II. Link Information: none Answer: none
answer:
Which of the wars that Ray served in had the most casualties?


question:
Context: More leased part of the property Link Information: none Answer: none
answer:
When was the group established that used the building leased to Richard Farrant?


question:
Context: The painting was later a highlight of the Pierre Crozat collection which was acquired through Diderot's mediation by Catherine II of Russia in 1772 Link Information: none Answer: none
answer:

How long was the painting a feature of the collection before being acquired by Catherine II of Russia?