TASK DEFINITION: Generate a correct and concise answer for the question based on the words in the context.
PROBLEM: 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?

SOLUTION: 1974

PROBLEM: Context : The Roviana rail (Gallirallus rovianae) is a species of bird in the family Rallidae.
Question : Is the taxon rank of Roviana rail species or genus?

SOLUTION: species

PROBLEM: Context : The 919mm MP 3008 (Maschinenpistole 3008 or ''machine pistol 3008'', also Volks-MP.3008 and Gerat Neumunster) was a German substitute standard submachine gun manufactured toward the end of World War II in early 1945.
Question : In what year did MP 3008 enter service?

SOLUTION:
1945