TASK DEFINITION: Generate a correct and concise answer for the question based on the words in the context.
PROBLEM: Context : María Elena Perla López Loyo (born 2 April 1951) is a Mexican politician from the Institutional Revolutionary Party. 
Question : What kind of  occupation does Perla López Loyo have?

SOLUTION: politician

PROBLEM: Context : Food Basics is a discount Canadian supermarket chain owned by Metro Inc. with all stores located within Ontario. 
Question : Which company is the parent company of Food Basics?

SOLUTION: Metro Inc.

PROBLEM: Context : Willard Warner (September 4, 1826 -- November 23, 1906) was a brevet brigadier general in the Union Army during the American Civil War. 
Question : In which war did Willard Warner fight?

SOLUTION:
American Civil War