Definition: Generate a correct and concise answer for the question based on the words in the context.
Input: Context : On 31 May 2005, Suarez's son, Adolfo Suarez Illana, announced on Spanish television that his father was suffering from Alzheimer's disease, and could no longer remember his period as Prime Minister of Spain.
Question : What disease did Adolfo Suarez suffer from?
Output:
Alzheimer's disease