instruction:
Given a context passage, generate a question from the passage such that its answer is shortest continous span from the passage.
question:
V849 Ophiuchi or Nova Ophiuchi 1919 was a nova that lit up in 1919 in the constellation Ophiuchus and reached a brightness of 7.4 mag.
answer:
What constellation is V849 Ophiuchi a part of?


question:
Nguyen Van Bay (Born in Lai Vung, 1936) was a jet fighter ace for the Vietnam People's Air Force (North Vietnamese Air Force) during the Vietnam War.
answer:
What was the war that Nguyễn Văn Bảy fought in?


question:
Les Abencerages, ou L'etendard de Grenade (English: The Abencerrages, or The Standard of Granada) is an opera in three acts by Luigi Cherubini with a French libretto by Etienne de Jouy, based on the novel Gonzalve de Cordoue by Jean-Pierre Claris de Florian.
answer:

Which place is Les Abencérages in?