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 : 90 Tauri (90 Tau) is a star in the constellation Taurus. 
Answer : Taurus
What constellation is 90 Tauri part of?

Context : ``What Lies Below'' is the 13th episode of the second season of the American science fiction drama television series Fringe. 
Answer : Fringe
Which series was What Lies Below in?

Context : Sigmund Widmer served as colonel of infantry in the Swiss militia army. 
Answer : infantry

What organization was Sigmund Widmer involved with?