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: In the same year she starred with Terry-Thomas and Peter Sellers in the comedy film The Naked Truth. Link Information: Terry-Thomas (born Thomas Terry Hoar-Stevens; 14 July 19118 January 1990)  Answer: Terry-Thomas
Example Output: Which co-star of Peggy Mount on the Naked Truth is the oldest?

Example Input: Context: Noyes served on frontier duty at Fort Leavenworth, Kansas from November 1865 to June 1866, at Fort Riley, Kansas from June 1866 to March 13, 1867, at Fort Laramie, Dakota Territory from May 1 to November 1867, and at the newly established Fort D. A. Russell, Dakota Territory from November 17, 1867 to June 1868 Link Information: He served at Fort McPherson, Nebraska from July 1868 to May 1869 Answer: Fort Leavenworth
Example Output:
Which military fortification that Noyes served at before 1870 was completed first?