Generate a question which can yield the answer mentioned in the input. Generated question must be answered by the answer provided in input, without using any extra knowledge.

Context : Billy the Kid's Fighting Pals (also known as Trigger Men) is a 1941 American western directed by Sam Newfield for Producers Releasing Corporation (PRC), and fifth in PRC's Billy the Kid film series. 
Answer : Producers Releasing Corporation
What studio produced Billy the Kid's Fighting Pals?

Context : HD 141937 is a star in the constellation of Libra at a distance of 109 ly. 
Answer : Libra
Which was the constellation for HD 141937?

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. 
Answer : 1967

What was the year Bravia Chaimite entered service?