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

[EX Q]: Context : Robert Ledley died of Alzheimer's disease in Kensington, Maryland, USA on July 24, 2012. 
Question : Which medical condition does Robert Ledley suffer from?
[EX A]: Alzheimer's disease

[EX Q]: Context : Also this year, in a ceremony in memory friend has died, a male friend (Đàm Vĩnh Hưng's guitar) and female singing has rendered Tuoi Hong Tho Ngay. 
Question : What is the sex of Đàm Vĩnh Hưng?
[EX A]: male

[EX Q]: Context : ``Bart the Genius'' is the second episode of The Simpsons' first season, which originally aired on the Fox network on January 14, 1990. 
Question : What series is Bart the Genius part of?
[EX A]:
The Simpsons