CREATE TABLE table_40790 ("Date" CLOB, "Tournament" CLOB, "Winning score" CLOB, "Margin of victory" CLOB, "Runner ( s ) -up" CLOB)

For the tournament played Nov 13, 1988, ending with a margin of victory of 5 strokes, who was the runner-up?
SELECT "Runner(s)-up" FROM table_40790 WHERE "Margin of victory" = '5 strokes' AND "Date" = 'nov 13, 1988'
SELECT "Runner(s)-up" FROM "table_40790" WHERE "Date" = 'nov 13, 1988' AND "Margin of victory" = '5 strokes'