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

Context : Used by the U.S. Army, the U.S. Marine Corps, as well as many foreign militaries, the M47 Dragon was first fielded in January 1975 to U.S. Army soldiers stationed in mainland Europe. 
Question : What year did M47 Dragon come into use?
1975

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?
682

Context : Sir William Thomas, 1st Baronet (29 July 1641 -- 18 November 1706) was an English politician who sat in the House of Commons from 1661 to 1679, and from 1980 to 1706. 
Question : The date of death for Sir William Thomas, 1st Baronet is what?

18 November 1706