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

Example Input: Context : ISO 3166-2:VU is the entry for Vanuatu 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:VU?
Example Output: International Organization for Standardization

Example Input: Context : A-Lex is based on the 1962 book A Clockwork Orange by Anthony Burgess, which in 1971 was adapted into a film version by Stanley Kubrick. 
Question : The A-Lex is based upon what?
Example Output: A Clockwork Orange

Example Input: Context : Delta Air Lines Flight 9570 crashed on 30 May 1972 at the Greater Southwest International Airport in Fort Worth, Texas, while conducting a training flight. 
Question : The date of Delta Air Lines Flight 9570?
Example Output:
30 May 1972