CREATE TABLE table_25215 ("Year" TEXT, "Date" TEXT, "Driver" TEXT, "Team" TEXT, "Manufacturer" TEXT, "Laps" TEXT, "Miles  ( km ) " TEXT, "Race Time" TEXT, "Average Speed  ( mph ) " TEXT, "Report" TEXT)

Who was the manufacturer in 1990?
SELECT "Manufacturer" FROM table_25215 WHERE "Year" = '1990'
SELECT "Manufacturer" FROM "table_25215" WHERE "Year" = '1990'