CREATE TABLE table_204_601 (id DECIMAL, "area served" TEXT, "city of license" TEXT, "vc" DECIMAL, "rf" DECIMAL, "callsign" TEXT, "network" TEXT, "notes" TEXT)

how many are on the cbs network ?
SELECT COUNT(*) FROM table_204_601 WHERE "network" = 'cbs'
SELECT COUNT(*) FROM "table_204_601" WHERE "network" = 'cbs'