What is the frequency of the station that was launched on 21 August 1994?
CREATE TABLE table_name_97 (frequency VARCHAR, launched VARCHAR)
SELECT frequency FROM table_name_97 WHERE launched = "21 august 1994"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_97 (frequency VARCHAR, launched VARCHAR) Question: What is the frequency of the station that was launched on 21 August 1994? [/INST] SELECT frequency FROM table_name_97 WHERE launched = "21 august 1994" </s>