CREATE TABLE table_17936 ("Year" CLOB, "Championship" CLOB, "54 holes" CLOB, "Winning score" CLOB, "Margin" CLOB, "Runner ( s ) -up" CLOB)

What championship had a margin of playoff 2?
SELECT "Championship" FROM table_17936 WHERE "Margin" = 'Playoff 2'
SELECT "Championship" FROM "table_17936" WHERE "Margin" = 'Playoff 2'