which division is listed only once ?
CREATE TABLE table_204_589 (
    id number,
    "season" text,
    "tier" number,
    "division" text,
    "pos." text,
    "notes" text
)
SELECT "division" FROM table_204_589 GROUP BY "division" HAVING COUNT(*) = 1
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: which division is listed only once ? ### Input: CREATE TABLE table_204_589 (
    id number,
    "season" text,
    "tier" number,
    "division" text,
    "pos." text,
    "notes" text
) ### Response: SELECT "division" FROM table_204_589 GROUP BY "division" HAVING COUNT(*) = 1