instruction:
Generate a correct and concise answer for the question based on the words in the context.
question:
Context : ISO 3166-2:ZA is the entry for South Africa 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:ZA?
answer:
International Organization for Standardization

question:
Context : Pravin Bhatt (Praveen Bhatt) is an Indian film cinematographer, director and screenwriter, who has worked in Hindi cinema from 1970s to 2010s and shot most of the films directed by Mahesh Bhatt, like Arth (1982), Masoom (1983) and Aashiqui (1990) and his son Vikram Bhatt, Raaz (2002).
Question : What was Pravin Bhatt's child's name?
answer:
Vikram Bhatt

question:
Context : Tyshawn Sorey (b. July 8, 1980 in Newark, New Jersey) is an American musician and composer who plays drum set, percussion, trombone and piano.
Question : Which instrument does Tyshawn Sorey play?
answer:
piano