instruction:
Generate a correct and concise answer for the question based on the words in the context.
question:
Context : Robert Sadin is an American jazz musician, conductor, arranger, composer and producer. 
Question : What was Robert Sadin's career?
answer:
jazz musician


question:
Context : Designated MA-31 in US service, the first launch of the missile took place in August 1996. 
Question : In which year was the service entry date for MA-31?
answer:
1996


question:
Context : The North American Tour, also referred to as the Wish You Were Here Tour, was a concert tour by the British progressive rock band Pink Floyd in 1975 in support of their forthcoming album Wish You Were Here. 
Question : The point in time of Wish You Were Here Tour was when?
answer:

1975