CREATE TABLE table_78568 ("Outcome" TEXT, "Date" FLOAT, "Tournament" TEXT, "Surface" TEXT, "Partner" TEXT, "Opponents in the final" TEXT, "Score in the final" TEXT)

Who are the Opponents in the final prior to 1998 in the Bucharest, Romania Tournament?
SELECT "Opponents in the final" FROM table_78568 WHERE "Date" < '1998' AND "Tournament" = 'bucharest, romania'
SELECT "Opponents in the final" FROM "table_78568" WHERE "Date" < '1998' AND "Tournament" = 'bucharest, romania'