What is the call frequency sign of cjjc-fm?
CREATE TABLE table_name_28 (frequency VARCHAR, call_sign VARCHAR)
SELECT frequency FROM table_name_28 WHERE call_sign = "cjjc-fm"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_28 (frequency VARCHAR, call_sign VARCHAR) Question: What is the call frequency sign of cjjc-fm? [/INST] SELECT frequency FROM table_name_28 WHERE call_sign = "cjjc-fm" </s>