Task: Question Answering
Input (English): 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?
Output (English): 1967