CREATE TABLE table_38314 ("Season" CLOB, "Tier" FLOAT, "Division" CLOB, "Pos." FLOAT, "Postseason" CLOB, "Cup Competitions" CLOB)

Which Season has a Postseason of promoted runner-up?
SELECT "Season" FROM table_38314 WHERE "Postseason" = 'promoted runner-up'
SELECT "Season" FROM "table_38314" WHERE "Postseason" = 'promoted runner-up'