Teacher:Generate a correct and concise answer for the question based on the words in the context.
Teacher: Now, understand the problem? Solve this instance: Context : Betty Wagner Spandikow had suffered a stroke and been dealing with Alzheimer's disease at the time of her death at the age of 85 on October 26, 2008. 
Question : What medical condition was Betty Wagner Spandikow suffering from?
Student:
Alzheimer's disease