CREATE TABLE table_45787 ("Date" TEXT, "Tournament" TEXT, "Winning score" TEXT, "Margin of victory" TEXT, "Runner ( s ) -up" TEXT)

What was the winning score at Burdine's Invitational?
SELECT "Winning score" FROM table_45787 WHERE "Tournament" = 'burdine''s invitational'
SELECT "Winning score" FROM "table_45787" WHERE "Tournament" = 'burdine\'s invitational'