When vista radio is the owner what is the frequency? 
CREATE TABLE table_18536769_1 (frequency VARCHAR, owner VARCHAR)
SELECT frequency FROM table_18536769_1 WHERE owner = "Vista Radio"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_18536769_1 (frequency VARCHAR, owner VARCHAR) Question: When vista radio is the owner what is the frequency?  [/INST] SELECT frequency FROM table_18536769_1 WHERE owner = "Vista Radio" </s>