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

[EX Q]: Context : The Boeing 601 (sometimes referred to as the BSS-601, and previously as the HS-601) is a communications satellite bus introduced in 1987 by Hughes Space and Communications Company. 
Question : What year was Boeing 601 commissioned?
[EX A]: 1987

[EX Q]: Context : Balamani Amma died on 29 September 2004 after having suffered from Alzheimer's disease for nearly five years. 
Question : What medical condition did Balamani Amma have at the end of his life?
[EX A]: Alzheimer's disease

[EX Q]: Context : Iota Pegasi (24 Peg, HD 210027) is a star located within the constellation Pegasus. 
Question : What is the constellation where Iota Pegasi is located?
[EX A]:
Pegasus