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 : Celedonio Espinosa, Jr. is an Olympian, a Filipino boxer who competed in the 1954 Asian Games in Manila and took home the gold medal. 
Answer : boxer
What was Celedonio Espinosa's occupation?

Context : The Boeing KC-767 is a military aerial refueling and strategic transport aircraft developed from the Boeing 767-200ER. 
Answer : Boeing 767-200ER
The Boeing KC-767 is based upon what?

Context : Whose Body? is a 1923 novel by Dorothy L. Sayers, which introduced the character of Lord Peter Wimsey. 
Answer : Lord Peter Wimsey

Which series is Whose Body? apart of?