What is channel 33.7's official call sign?
CREATE TABLE table_1404984_1 (call_sign VARCHAR, virtual_channel VARCHAR)
SELECT call_sign FROM table_1404984_1 WHERE virtual_channel = "33.7"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_1404984_1 (call_sign VARCHAR, virtual_channel VARCHAR) Question: What is channel 33.7's official call sign? [/INST] SELECT call_sign FROM table_1404984_1 WHERE virtual_channel = "33.7" </s>