CREATE TABLE table_5236 ("Season" CLOB, "Tier" FLOAT, "Division" CLOB, "Pos." FLOAT, "Postseason" CLOB, "Cup Competitions" CLOB)

How many positions have a Postseason of relegation playoffs and a tier of 3?
SELECT COUNT("Pos.") FROM table_5236 WHERE "Postseason" = 'relegation playoffs' AND "Tier" = '3'
SELECT COUNT("Pos.") FROM "table_5236" WHERE "Postseason" = 'relegation playoffs' AND "Tier" = '3'