CREATE TABLE table_33865 ("Frequency" FLOAT, "Callsign" TEXT, "Brand" TEXT, "City of License" TEXT, "Website" TEXT, "Webcast" TEXT)

Which Frequency has a Website of , and a Webcast of in san antonio?
SELECT AVG("Frequency") FROM table_33865 WHERE "Website" = '•' AND "Webcast" = '•' AND "City of License" = 'san antonio'
SELECT AVG("Frequency") FROM "table_33865" WHERE "City of License" = 'san antonio' AND "Webcast" = '•' AND "Website" = '•'