TASK DEFINITION: Generate a correct and concise answer for the question based on the words in the context.
PROBLEM: Context : Valentina Ivashova was married to Soviet film director Nikolai Ekk. 
Question : What is Valentina Ivashova's spouse's name?

SOLUTION: Nikolai Ekk

PROBLEM: Context : Major General Courtney Whitney (May 20, 1897 - March 21, 1969) was an American lawyer and Army commander during World War II who later served as a senior official during the occupation of Japan. 
Question : Which conflict was Courtney Whitney a part of?

SOLUTION: World War II

PROBLEM: Context : The Duke of Wellington's Regiment (West Riding) was a line infantry regiment of the British Army, forming part of the King's Division. 
Question : What branch was Duke of Wellington's Regiment part of?

SOLUTION:
British Army