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

Input: Consider Input: Context : Casey's Shadow is a 1978 drama Metrocolor film directed by Martin Ritt and starring Walter Matthau.
Question : Who are the cast members of Casey's Shadow?

Output: Walter Matthau

Input: Consider Input: 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?

Output: Metro Inc.

Input: Consider Input: Context : A Ticket to Tomahawk is a 1950 American western musical comedy film, released by 20th Century Fox, directed by Richard Sale and starring Dan Dailey and Anne Baxter.
Question : What production company was involved in A Ticket to Tomahawk?
Output: 20th Century Fox