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

[EX Q]: Context : ``The Next Witness'' is a Nero Wolfe mystery novella by Rex Stout, first published as ``The Last Witness'' in the May 1955 issue of The American Magazine. 
Question : The The Next Witness has what character?
[EX A]: Nero Wolfe

[EX Q]: Context : He proposes the Sanchi stupa was destroyed by Pushyamitra Shunga, but later restored by his successor Agnimitra. 
Question : Who is the offspring of Pushyamitra Shunga?
[EX A]: Agnimitra

[EX Q]: Context : The Bravia Chaimite is an armored vehicle with all wheel drive axles built by the Portuguese company Bravia and used by the Portuguese Army in the Portuguese colonial wars in Angola, Mozambique and Portuguese Guinea, from 1967 to 1974 when it ended. 
Question : What year was Bravia Chaimite introduced?
[EX A]:
1967