Generate a correct and concise answer for the question based on the words in the context.
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Question: Context : John Anthony Walker, Jr. (July 28, 1937 -- August 28, 2014) was a United States Navy Chief Warrant Officer and communications specialist convicted of spying for the Soviet Union from 1968 to 1985. 
Question : What armed force was John Anthony Walker in?

Answer: United States Navy


Question: Context : Jacob Fick (17 January 1912 -- 22 April 2004) was an Obersturmbannführer (Lieutenant Colonel), in the Waffen SS during World War II who was awarded the Knight's Cross of the Iron Cross. 
Question : In which conflict did Jacob Fick participate?

Answer: World War II


Question: Context : Uma no Naishi (馬内侍, 949 - 1011) was a Japanese Waka poet and noble from the middle Heian period. 
Question : What kind of  occupation does Uma no Naishi have?

Answer:
poet