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.
Q: Context : Gerald Ganglbauer (born 24 February 1958 in Graz, Austria) is an Austrian Australian writer and publisher diagnosed with Parkinson's disease at the age of 48 years.
Answer : Parkinson's disease
A:
What disease did Gerald Ganglbauer suffer from?