SELECT website FROM table_name_53 WHERE city_of_license = "san antonio" AND webcast = "listen live" AND frequency = 680
Situs web mana yang mencakup webcast Listen Live, frekuensi di bawah 680, dan dilisensikan di kota San Antonio.
CREATE TABLE table_name_53 (website VARCHAR, frequency VARCHAR, city_of_license VARCHAR, webcast VARCHAR)