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

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'