Generate a correct and concise answer for the question based on the words in the context.

Example Input: Context : Milka is a traditional brand of chocolate confection which originated in Switzerland in 1825 and has been manufactured internationally by the US confectionery company Mondelēz International (formerly known as Kraft Foods) since 1990. 
Question : Which company is the parent company of Milka?
Example Output: Kraft Foods

Example Input: Context : Nanook of the North (also known as Nanook of the North: A Story Of Life and Love In the Actual Arctic) is a 1922 American silent documentary film by Robert J. Flaherty, with elements of docudrama, at a time when the concept of separating films into documentary and drama did not yet exist. 
Question : Which place is Nanook of the North in?
Example Output: Arctic

Example Input: Context : Captain William Henry Hubbard was a Canadian World War I flying ace credited with twelve aerial victories against enemy fighter planes despite spending a year and a half out of action. 
Question : What war or battle involved William Henry Hubbard?
Example Output:
World War I