TASK DEFINITION: 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.
PROBLEM: Context : The Boeing KC-767 is a military aerial refueling and strategic transport aircraft developed from the Boeing 767-200ER. 
Answer : Boeing 767-200ER

SOLUTION: The Boeing KC-767 is based upon what?

PROBLEM: Context : IEEE C2 is the Institute of Electrical and Electronics Engineers standard for National Electrical Safety Code. 
Answer : Institute of Electrical and Electronics Engineers

SOLUTION: Who set the standards for IEEE C2?

PROBLEM: Context : ``Bart the Genius'' is the second episode of The Simpsons' first season, which originally aired on the Fox network on January 14, 1990. 
Answer : The Simpsons

SOLUTION:
What series is Bart the Genius part of?