CREATE TABLE table_55268 ("Year" FLOAT, "Winners" TEXT, "Score" TEXT, "Runners-up" TEXT, "Venue" TEXT)

What was Galatasaray score when when he won in 1990 and Trabzonspor was the runner-up?
SELECT "Score" FROM table_55268 WHERE "Winners" = 'galatasaray' AND "Runners-up" = 'trabzonspor' AND "Year" = '1990'
SELECT "Score" FROM "table_55268" WHERE "Runners-up" = 'trabzonspor' AND "Winners" = 'galatasaray' AND "Year" = '1990'