CREATE TABLE table_39388 ("Year" FLOAT, "Championship" TEXT, "54 holes" TEXT, "Winning score" TEXT, "Margin" TEXT, "Runner ( s ) -up" TEXT)

What Year had a Runner(s)-up of flory van donck?
SELECT "Year" FROM table_39388 WHERE "Runner(s)-up" = 'flory van donck'
SELECT "Year" FROM "table_39388" WHERE "Runner(s)-up" = 'flory van donck'