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

[Q]: Context : Annamma Mathew (Malayalam: അന്നമ്മ മാത്യു, 22 March 1922 -- 10 July 2003), also known as Mrs. K. M. Mathew (Malayalam: മിസ്സിസ് കെ. എം. മാത്യു), was the founder chief editor of Vanitha, the largest selling women's magazine in India, and wife of K. M. Mathew, Chief Editor of Malayala Manorama. 
Question : What is Annamma Mathew's spouse's name?
[A]: K. M. Mathew


[Q]: Context : Lotus Software (called Lotus Development Corporation before its acquisition by IBM) was an American software company based in Massachusetts. 
Question : What is Lotus Software's parent company?
[A]: IBM


[Q]: Context : Oloff Smith (born 1833, date of death unknown) was a Union Navy sailor in the American Civil War and a recipient of the U.S. military's highest decoration, the Medal of Honor, for his actions at the Battle of Mobile Bay. 
Question : Which military branch is Oloff Smith a part of?
[A]:
Union Navy