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 : The Bullet is Not for Firing is the fourth episode of the third series of the British comedy series Dad's Army that was originally transmitted on Thursday 2 October 1969. 
Answer : Dad's Army

Ex Output:
What series is the episode The Bullet is Not for Firing part of?


Ex Input:
Context : Sergeant-Observer William James Middleton DFM was a British World War I flying ace credited with six aerial victories. 
Answer : World War I

Ex Output:
What war was William James Middleton in?


Ex Input:
Context : Operating for a little more than a year, the airline was purchased by American Airlines for $1,400,000.00 through a complicated agreement primarily to obtain the Contract Air Mail (CAM) 33 mail services contract won by Halliburton and Southwest Air Fast Express. 
Answer : American Airlines

Ex Output:

What company is Southwest Air Fast Express part of?