CREATE TABLE table_39604 ("Year" FLOAT, "Championship" CLOB, "54 Holes" CLOB, "Winning Score" CLOB, "Margin" CLOB, "Runner ( s ) -up" CLOB)

Which championship has a margin of 8 strokes?
SELECT "Championship" FROM table_39604 WHERE "Margin" = '8 strokes'
SELECT "Championship" FROM "table_39604" WHERE "Margin" = '8 strokes'