CREATE TABLE table_39383 ("Year" FLOAT, "Championship" TEXT, "54 holes" TEXT, "Winning score" TEXT, "Margin" TEXT, "Runner ( s ) -up" TEXT)

Who are the Runner(s)-up with a Margin of 1 stroke?
SELECT "Runner(s)-up" FROM table_39383 WHERE "Margin" = '1 stroke'
SELECT "Runner(s)-up" FROM "table_39383" WHERE "Margin" = '1 stroke'