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

Input: Consider Input: 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 : What was the year Sinclair Scientific entered service?

Output: 1974


Input: Consider Input: Context : Once a Cop (Chinese: 超級計劃) is a 1993 Hong Kong action film directed by Stanley Tong and starring Michelle Yeoh. 
Question : Who is the director of the film, Once a Cop?

Output: Stanley Tong


Input: Consider Input: Context : Lamar Johnson Sr. (born September 2, 1950), is a retired American professional baseball player and former hitting coach for the Milwaukee Brewers, Kansas City Royals, Seattle Mariners and New York Mets. 
Question : What was Lamar Johnson's occupation?


Output: baseball player