What is the frequency of WMAD?
CREATE TABLE table_name_21 (frequency VARCHAR, call_letters VARCHAR)
SELECT frequency FROM table_name_21 WHERE call_letters = "wmad"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_21 (frequency VARCHAR, call_letters VARCHAR) Question: What is the frequency of WMAD? [/INST] SELECT frequency FROM table_name_21 WHERE call_letters = "wmad" </s>