Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_83 (iata VARCHAR, airport VARCHAR)
### Question:
What kind of IATA that has a Airport of berlin schönefeld airport?
### Answer:
SELECT iata FROM table_name_83 WHERE airport = "berlin schönefeld airport"