CREATE TABLE table_39480 ("Date" TEXT, "Tournament" TEXT, "Winning score" TEXT, "Margin of victory" TEXT, "Runner ( s ) -up" TEXT)

What was the margin of victory when the winning score was 14 (63-67-73-67=270)?
SELECT "Margin of victory" FROM table_39480 WHERE "Winning score" = '−14 (63-67-73-67=270)'
SELECT "Margin of victory" FROM "table_39480" WHERE "Winning score" = '−14 (63-67-73-67=270)'