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.

Q: Context : Jean-Louis-Henri Le Secq des Tournelles (18 August 1818 -- 26 December 1882) was a French painter and photographer. 
Answer : 26 December 1882

A: What was the date of death for Henri Le Secq?
****
Q: Context : ``The Cartridge Family'' is the fifth episode of The Simpsons' ninth season, which originally aired on Fox in the United States on November 2, 1997. 
Answer : The Simpsons

A: What series is the episode The Cartridge Family part of?
****
Q: Context : DesktopBSD is a Unix-derivative, desktop-oriented operating system based on FreeBSD. 
Answer : FreeBSD

A:
The DesktopBSD is based upon what?
****