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.

Input: Consider Input: Context: The Korean War began and the Navy realized it had a need for an air station in the region Link Information: The Korean War (in South Korean , "Korean War"; in North Korean , "Fatherland Liberation War"; 25 June 1950 – 27 July 1953) Answer: 25 June 1950

Output: When did the war begin that prompted the Navy to build the airport?


Input: Consider Input: Context: tower has a west doorway in Norman style, Link Information: These Romanesque styles originated in Normandy and became widespread in north western Europe, particularly in England, which contributed considerable development and has the largest number of surviving examples.  Answer: Normandy

Output: Who is attributed with creating the style the tower's west doorway displays?


Input: Consider Input: Context: she learned to play piano at age three Link Information: 

The piano is an acoustic, stringed musical instrument invented in Italy by Bartolomeo Cristofori around the year 1700 Answer: 1700


Output: When was the instrument Terri learned to play starting at age 3 invented?