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.

Example Input: Context: y headed by the Saltigue (the Serer priestly class) Link Information: none Answer: none
Example Output: How many leaders run the priestly class?

Example Input: Context: due to the unpopular edict by Emperor Domitian that all colonial vines must be uprooted. When Emperor Probus, the son of a gardener, rescinded the edict Link Information: Domitian (; ; 24 October 51 – 18 September 96 AD) was Roman emperor from 81 to 96 Answer: 180
Example Output: How many years were between the end of the Emperor's reign who called for all colonial vines to be uprooted and the beginning of the reign where the son of a gardener rescinded the edict?

Example Input: Context: the convoy carrying Franklin Roosevelt and Winston Churchill to the Yalta Conference in early 1945 Link Information: the convoy carrying Franklin Roosevelt and Winston Churchill to the Yalta Conference in early 1945. Answer: Soviet Union
Example Output:
Which country hosted the conference that Franklin Roosevelt and Winston Churchill attended in early 1945?