CREATE TABLE table_2491 ("Year" FLOAT, "Date" TEXT, "Driver" TEXT, "Team" TEXT, "Manufacturer" TEXT, "Laps" TEXT, "Miles  ( km ) " TEXT, "Race Time" TEXT, "Average Speed  ( mph ) " TEXT, "Report" TEXT)

What team won when the race time was 3:12:30?
SELECT "Team" FROM table_2491 WHERE "Race Time" = '3:12:30'
SELECT "Team" FROM "table_2491" WHERE "Race Time" = '3:12:30'