CREATE TABLE table_204_636 (id NUMBER, "season" CLOB, "tier" NUMBER, "division" CLOB, "pos." CLOB, "notes" CLOB)

what was the least successful season ?
SELECT "season" FROM table_204_636 ORDER BY "pos." DESC LIMIT 1
SELECT "season" FROM "table_204_636" ORDER BY "pos." DESC FETCH FIRST 1 ROWS ONLY