CREATE TABLE table_19131921_1 (dma VARCHAR, branding VARCHAR, station VARCHAR)

What is the dma of branding is big oldies 107.3 with the station warv-fm?
SELECT dma FROM table_19131921_1 WHERE branding = "Big Oldies 107.3" AND station = "WARV-FM"
SELECT "dma" FROM "table_19131921_1" WHERE "Big Oldies 107.3" = "branding" AND "WARV-FM" = "station"