What is Brand, when Frequency is "640"?
CREATE TABLE table_name_68 (brand VARCHAR, frequency VARCHAR)
SELECT brand FROM table_name_68 WHERE frequency = 640
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_68 (brand VARCHAR, frequency VARCHAR) Question: What is Brand, when Frequency is "640"? [/INST] SELECT brand FROM table_name_68 WHERE frequency = 640 </s>