CREATE TABLE table_204_636 (id DECIMAL, "season" TEXT, "tier" DECIMAL, "division" TEXT, "pos." TEXT, "notes" TEXT)

what tier was this team placed into next after their 2011-2012 season ?
SELECT "tier" FROM table_204_636 WHERE "season" > '2011-12' ORDER BY "season" LIMIT 1
SELECT "tier" FROM "table_204_636" WHERE "season" > '2011-12' ORDER BY "season" NULLS FIRST LIMIT 1