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 (icao VARCHAR, iata VARCHAR)
### Question:
What shows for ICAO when the IATA is sin?
### Answer:
SELECT icao FROM table_name_83 WHERE iata = "sin"