CREATE TABLE table_2691 ("Rnd" FLOAT, "Date" TEXT, "Race Name" TEXT, "Length" TEXT, "Track" TEXT, "Location" TEXT, "Pole Position" TEXT, "Winning Driver" TEXT)

If the track is the Wisconsin State Fair Park Speedway and the winning driver is Wally Dallenbach, what was the location?
SELECT "Location" FROM table_2691 WHERE "Winning Driver" = 'Wally Dallenbach' AND "Track" = 'Wisconsin State Fair Park Speedway'
SELECT "Location" FROM "table_2691" WHERE "Track" = 'Wisconsin State Fair Park Speedway' AND "Winning Driver" = 'Wally Dallenbach'