What is the short stem for the word that has a perfect stem of poztu?
CREATE TABLE table_14597 (
    "Perfect stem" text,
    "Future stem" text,
    "Imperfect stem" text,
    "Short stem" text,
    "Meaning" text
)
SELECT "Short stem" FROM table_14597 WHERE "Perfect stem" = 'poztu'
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: What is the short stem for the word that has a perfect stem of poztu? ### Input: CREATE TABLE table_14597 (
    "Perfect stem" text,
    "Future stem" text,
    "Imperfect stem" text,
    "Short stem" text,
    "Meaning" text
) ### Response: SELECT "Short stem" FROM table_14597 WHERE "Perfect stem" = 'poztu'