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

Ex Input:
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?

Ex Output:
XML


Ex Input:
Context : Dr. Andrea Schöpp (born February 27, 1965) is a German curler from Garmisch-Partenkirchen. 
Question : What was Andrea Schöpp's career?

Ex Output:
curler


Ex Input:
Context : Barbara Sidney, Countess of Leicester (1563 -- 24 May 1621) was a Welsh heiress, and the first wife of Robert Sidney, 1st Earl of Leicester. 
Question : What is Barbara Sidney, Countess of Leicester's spouse's name?

Ex Output:

Robert Sidney, 1st Earl of Leicester