instruction:
Generate a correct and concise answer for the question based on the words in the context.
question:
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?
answer:
682


question:
Context : Aurelio Macchi (27 January 1916 -- 1 July 2010) was an Argentine sculptor. 
Question : On which date did Aurelio Macchi die?
answer:
1 July 2010


question:
Context : Daniel Kish (born 1966 in Montebello, California) is an American expert in human echolocation and President of World Access for the Blind, a non-profit founded in 2000 to facilitate ``the self-directed achievement of people with all forms of blindness'' and increase public awareness about their strengths and capabilities. 
Question : What was Daniel Kish's medical condition near the end of his life?
answer:

blindness