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

[EX Q]: Context : The Battle of Vescera (modern Biskra in Algeria) was fought in 682 or 683 between the Berbers of king Caecilius and their Byzantine allies from the Exarchate of Carthage against an Umayyad Arab army under Uqba ibn Nafi (the founder of Kairouan). 
Question : The point in time of Battle of Vescera was when?
[EX A]: 682

[EX Q]: Context : Gabriel Kunda (born 20 October 1968) is a former Argentine male volleyball player. 
Question : What was the gender of Gabriel Kunda?
[EX A]: male

[EX Q]: Context : In 1971 Terry-Thomas was diagnosed with Parkinson's disease, which slowly brought his career to a conclusion: his last film role was in 1980. 
Question : What medical condition killed Terry-Thomas?
[EX A]:
Parkinson's disease