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

Context : Lorenzo wrote after Lafargue's death: ``The double, original and, whatever the rutinarians say, even sympathetic suicide of Paul Lafargue and Laura Marx (in Spain, women keep their maiden surname after marriage), who knew and could live united and lovers until death, has awakened my memories (...) Lafargue was my teacher: his memory is for me almost as important as that of Fanelli. 
Question : What is Paul Lafargue's spouse's name?
Laura Marx

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?
Alzheimer's disease

Context : ISO 3166-2:NZ is the entry for New Zealand 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:NZ?

International Organization for Standardization