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.
Input: Context : Leon Botha (4 June 1985 -- 5 June 2011) was a South African painter and disk jockey, as well as one of the world's oldest survivors of progeria.
Answer : progeria
Output:
What led to Leon Botha's death?