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

which division played most : division de honor or primera nacional ?
SELECT "division" FROM table_204_636 WHERE "division" IN ('division de honor', 'primera nacional') GROUP BY "division" ORDER BY COUNT(*) DESC LIMIT 1
SELECT "division" FROM "table_204_636" WHERE "division" IN ('division de honor', 'primera nacional') GROUP BY "division" ORDER BY COUNT(*) DESC FETCH FIRST 1 ROWS ONLY