CREATE TABLE table_40276 ("Date" TEXT, "Tournament" TEXT, "Winning score" TEXT, "Margin of victory" TEXT, "Runner ( s ) -up" TEXT)

Who were the runner(s)-up when the winning score was 10 (69-68-74-67=278)?
SELECT "Margin of victory" FROM table_40276 WHERE "Winning score" = '–10 (69-68-74-67=278)'
SELECT "Margin of victory" FROM "table_40276" WHERE "Winning score" = '–10 (69-68-74-67=278)'