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

[Q]: Context : John Holland, 2nd Duke of Exeter KG (18 March 1395 -- 5 August 1447) was an English nobleman and military commander during the Hundred Years' War. 
Question : Which historic war did John Holland, 2nd Duke of Exeter participate?
[A]: Hundred Years' War


[Q]: Context : OPML (Outline Processor Markup Language) is an XML format for outlines (defined as ``a tree, where each node contains a set of named attributes with string values''). 
Question : Which is the basis of OPML?
[A]: XML


[Q]: Context : Gene Clapp graduated from the University of Pennsylvania in 1972 where he was a member of St. Anthony Hall. 
Question : What is the name university that educated Gene Clapp?
[A]:
University of Pennsylvania