CREATE TABLE table_21839 ("Season" FLOAT, "Winners" TEXT, "Total wins" FLOAT, "Runners-up" TEXT, "Third-place" TEXT, "Number of clubs" FLOAT)

How many total wins with Shanghai as runner-up?
SELECT COUNT("Total wins") FROM table_21839 WHERE "Runners-up" = 'Shanghai'
SELECT COUNT("Total wins") FROM "table_21839" WHERE "Runners-up" = 'Shanghai'