Detailed Instructions: 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.
See one example below:
Problem: Context : Isaac Nicola Romero (1916 in Havana, Cuba -- 1997) was a prominent Cuban guitarist and one of the founders of the modern Cuban Guitar School.
Answer : Havana
Solution: What was Isaac Nicola's city of birth?
Explanation: The answer to the generated question according to context is Havana which is correct

Problem: Context : CyanogenMod (pronounced /sa.n.o.dn.md/ or sigh-ah-no-gen-mod), usually abbreviated to CM, is an open-source operating system for smartphones and tablet computers, based on the Android mobile platform.
Answer : Android
Solution:
The CyanogenMod is based upon what?