TASK DEFINITION: Generate a correct and concise answer for the question based on the words in the context.
PROBLEM: 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?

SOLUTION: Alzheimer's disease

PROBLEM: Context : ISO 3166-2:IO is the entry for the British Indian Ocean Territory in ISO 3166-2, part of the ISO 3166 standard published by the International Organization for Standardization (ISO), which defines codes for the names of the principal subdivisions (e.g., provinces or states) of all countries coded in ISO 3166-1. 
Question : Who set the standards for ISO 3166-2:IO?

SOLUTION: International Organization for Standardization

PROBLEM: Context : ``The Bob Next Door'' is the twenty-second episode of The Simpsons' twenty-first season. 
Question : To which series does The Bob Next Door belong?

SOLUTION:
The Simpsons