CREATE TABLE table_45788 ("Date" TEXT, "Tournament" TEXT, "Winning score" TEXT, "Margin of victory" TEXT, "Runner ( s ) -up" TEXT)

Who was the runner-up when the winning score is +3 (69-70-71-77=287)?
SELECT "Runner(s)-up" FROM table_45788 WHERE "Winning score" = '+3 (69-70-71-77=287)'
SELECT "Runner(s)-up" FROM "table_45788" WHERE "Winning score" = '+3 (69-70-71-77=287)'