When was the station WLS-TV owned since?
CREATE TABLE table_22329326_1 (owned_since VARCHAR, station VARCHAR)
SELECT owned_since FROM table_22329326_1 WHERE station = "WLS-TV"
### Context: CREATE TABLE table_22329326_1 (owned_since VARCHAR, station VARCHAR) ### Question: When was the station WLS-TV owned since? ### Answer: SELECT owned_since FROM table_22329326_1 WHERE station = "WLS-TV"