TASK DEFINITION: Generate a correct and concise answer for the question based on the words in the context.
PROBLEM: Context : John Holland, 2nd Duke of Exeter KG (18 March 1395 -- 5 August 1447) was an English nobleman and military commander during the Hundred Years' War.
Question : Which historic war did John Holland, 2nd Duke of Exeter participate?

SOLUTION: Hundred Years' War

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 : Ece Yasar is s student at the sports academy of Hacettepe University in Ankara.
Question : What college did Ece Yasar go to?

SOLUTION:
Hacettepe University