Which call sign has a frequency of FM 105.3?
CREATE TABLE table_name_81 (call_sign VARCHAR, frequency VARCHAR)
SELECT call_sign FROM table_name_81 WHERE frequency = "fm 105.3"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_81 (call_sign VARCHAR, frequency VARCHAR) Question: Which call sign has a frequency of FM 105.3? [/INST] SELECT call_sign FROM table_name_81 WHERE frequency = "fm 105.3" </s>