instruction:
Generate a correct and concise answer for the question based on the words in the context.
question:
Context : The 1935 Quetta earthquake (Urdu: بلوچستان زلزلہ‎) occurred on 31 May 1935 between 2:33 am and 3:40 am at Quetta, Balochistan, British Raj (now part of Pakistan). 
Question : What date is associated with 1935 Quetta earthquake?
answer:
31 May 1935


question:
Context : Otto Preminger died in New York City, New York in 1986, aged 80, from lung cancer while suffering from Alzheimer's disease. 
Question : What medical condition did Otto Preminger have at the end of his life?
answer:
Alzheimer's disease


question:
Context : ISO 3166-2:LB is the entry for Lebanon 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:LB?
answer:

International Organization for Standardization