Generate a correct and concise answer for the question based on the words in the context.

Context : Nancy Talbot died from complications of Alzheimer's disease on August 30, 2009, at her home in Boulder, Colorado, at the age of 89. 
Question : What led to Nancy Talbot's death?
Alzheimer's disease

Context : Todd Bergen (born July 11, 1963) is a retired Canadian professional ice hockey centre who had a short-lived career, most notably with the Philadelphia Flyers of the National Hockey League in 1984--85. 
Question : What team is Todd Bergen associated with?
Philadelphia Flyers

Context : C. Lester Hogan died at the age of 88 due to complications of Alzheimer's disease at his home in Atherton, California. 
Question : What illness did Lester Hogan suffer from?

Alzheimer's disease

