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.

Context : Karl Emil Schafer (17 December 1891 -- 5 June 1917) was a German pilot during World War I; he became one of the major German flying aces of the war, with 30 confirmed aerial victories.
Answer : World War I
What was the war that Karl Emil Schafer fought in?

Context : ''Sofia's Choice'' is an episode from the dramedy series Ugly Betty, which aired on January 11, 2007.
Answer : Ugly Betty
Which series is Sofia's Choice apart of?

Context : The series, which takes its name from the bar, chronicles the daily operations of the world's largest biker bar, Full Throttle Saloon, located in Sturgis, South Dakota was housed on 30 acres of land, which Michael Ballard purchased in 1999.
Answer : South Dakota
Which place is Full Throttle Saloon in?