instruction:
Generate a correct and concise answer for the question based on the words in the context.
question:
Context : Caspar Wolf (Muri, Aargau, 3 May 1735 -- Heidelberg, 6 October 1783) was a Swiss painter, known mostly for his dramatic paintings of Alps.
Question : What was Caspar Wolf's career?
answer:
painter

question:
Context : The Sinclair Scientific calculator was a 12-function, pocket-sized scientific calculator introduced in 1974, dramatically undercutting in price other calculators available at the time.
Question : In which year was the service entry date for Sinclair Scientific?
answer:
1974

question:
Context : Catalina Castano Alvarez (born 7 July 1979) is a retired professional female Colombian tennis player who reached her career-high singles ranking:
Question : What gender class does Catalina Castano belong to?
answer:
female