CREATE TABLE table_38866 ("Date" TEXT, "Tournament" TEXT, "Winning score" TEXT, "Margin of victory" TEXT, "Runner ( s ) -up" TEXT)

What was the margin of victory over Brad Faxon?
SELECT "Margin of victory" FROM table_38866 WHERE "Runner(s)-up" = 'brad faxon'
SELECT "Margin of victory" FROM "table_38866" WHERE "Runner(s)-up" = 'brad faxon'