Generate a question which can yield the answer mentioned in the input. Generated question must be answered by the answer provided in input, without using any extra knowledge.

Ex Input:
Context : On that occasion, about a third of the commune of Ivry-sur-Seine was annexed to Paris, and now forms the Chinatown area of the 13th arrondissement of Paris.
Answer : 13th arrondissement of Paris

Ex Output:
By what was Ivry-sur-Seine replaced?

Ex Input:
Context : Aarne Arvonen was born in Helsinki and was the last surviving veteran of the Finnish Civil War of 1918 having served for the Red Guard.
Answer : Finnish Civil War

Ex Output:
What was the war that Aarne Arvonen fought in?

Ex Input:
Context : 20 Arietis (abbreviated 20 Ari) is a star in the northern constellation of Aries.
Answer : Aries

Ex Output:
The star 20 Arietis is part of what constellation?