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"
### Context: CREATE TABLE table_18536769_1 (frequency VARCHAR, owner VARCHAR) ### Question: When vista radio is the owner what is the frequency?  ### Answer: SELECT frequency FROM table_18536769_1 WHERE owner = "Vista Radio"