Generate a correct and concise answer for the question based on the words in the context.
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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 : Nikolaus Gerhaert (c.1420 -- 11 June 1473), also known as Nikolaus Gerhaert van Leyden, was a sculptor of Dutch origin, although aside from his sculptures, few details are known of his life.
Question : What date did Nikolaus Gerhaert die on?

Answer: 1473

Question: Context : Elizabeth Bishop, an only child, was born in Worcester, Massachusetts.
Question : What city is Elizabeth Bishop associated with?

Answer:
Worcester