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

Ex Input:
Context : George W. George died of Parkinson's disease in Manhattan on November 7, 2007. 
Question : Which medical condition afflicts George W. George?

Ex Output:
Parkinson's disease


Ex Input:
Context : The Smothers Brothers Comedy Hour was an American comedy and variety show television series hosted by the Smothers Brothers and initially airing on CBS from 1967 to 1969. 
Question : What is the original channel that The Smothers Brothers Comedy Hour played on?

Ex Output:
CBS


Ex Input:
Context : This account is questioned in a biography written by Xu Beihong's later wife - Liao Jingwen states that there was no improper relationship between Xu Beihong and the student. 
Question : What is Xu Beihong's spouse's name?

Ex Output:

Liao Jingwen