What is the ICAO with commenced operations before 1989?
CREATE TABLE table_name_2 (icao VARCHAR, commenced_operations INTEGER)
SELECT icao FROM table_name_2 WHERE commenced_operations < 1989
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_2 (icao VARCHAR, commenced_operations INTEGER) Question: What is the ICAO with commenced operations before 1989? [/INST] SELECT icao FROM table_name_2 WHERE commenced_operations < 1989 </s>