CREATE TABLE table_name_24 (score VARCHAR(255), year VARCHAR(255), winners VARCHAR(255), runners_up VARCHAR(255))
What was Galatasaray score when when he won in 1990 and Trabzonspor was the runner-up?
    
SQL: SELECT score FROM table_name_24 WHERE winners = "galatasaray" AND runners_up = "trabzonspor" AND year = 1990