Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

[EX Q]: Cancer occurs most often in adults over fifty age.
[EX A]: Cancer occurs most often in adults over what age?

[EX Q]: The outer layer of the sun is made up of plasma.
[EX A]: What is the outer layer of the sun made up of?

[EX Q]: You call organisms that store chemical energy in carbohydrate food molecules they produce themselves autotrophs.
[EX A]:
What do you call organisms that store chemical energy in carbohydrate food molecules they produce themselves?