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_73 (province_region VARCHAR, iata VARCHAR)
### Question:
Which province has gmp for an IATA?
### Answer:
SELECT province_region FROM table_name_73 WHERE iata = "gmp"