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

[Q]: 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?
[A]: 1974


[Q]: Context : Karl Gustav von Sandrart (1817-1898) was a Prussian general in the Franco-Prussian War of 1870. 
Question : In what war did Karl Gustav von Sandrart fight?
[A]: Franco-Prussian War


[Q]: Context : Damien Cely, diver Mohamed Dia, fashion designer Didier Domi, footballer Dimitri Foulquier, footballer Miss Dominique singer Eric Sabin, footballer Younousse Sankhare, footballer Dominique Strauss-Kahn, former mayor of Sarcelles Jean-Manuel Thetis footballer Frederic Thomas, footballer Jonathan Tokple, footballer Youssouf Toure, footballer Les Twins, ``New Style'' dancers Steeve Yago, footballer Riyad Mahrez, footballer 
Question : Which person was the head of government of Sarcelles?
[A]:
Dominique Strauss-Kahn