If the location is Chicago, Illinois, what is the airport name?
CREATE TABLE table_18047346_4 (airport_name VARCHAR, location VARCHAR)
SELECT airport_name FROM table_18047346_4 WHERE location = "Chicago, Illinois"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_18047346_4 (airport_name VARCHAR, location VARCHAR) Question: If the location is Chicago, Illinois, what is the airport name? [/INST] SELECT airport_name FROM table_18047346_4 WHERE location = "Chicago, Illinois" </s>