CREATE TABLE table_10663 ("Year" FLOAT, "Main colour ( s ) " TEXT, "Additional colour ( s ) " TEXT, "Livery" TEXT, "Additional major sponsor ( s ) " TEXT)

What are the additional major sponsors which correspond to the additional color black and a year 1984?
SELECT "Additional major sponsor(s)" FROM table_10663 WHERE "Additional colour(s)" = 'black' AND "Year" = '1984'
SELECT "Additional major sponsor(s)" FROM "table_10663" WHERE "Additional colour(s)" = 'black' AND "Year" = '1984'