What is the future stem for the word that has an imperfect stem of hartzen?
CREATE TABLE table_14595 (
    "Perfect stem" text,
    "Future stem" text,
    "Imperfect stem" text,
    "Short stem" text,
    "Meaning" text
)
SELECT "Future stem" FROM table_14595 WHERE "Imperfect stem" = 'hartzen'
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 future stem for the word that has an imperfect stem of hartzen? ### Input: CREATE TABLE table_14595 (
    "Perfect stem" text,
    "Future stem" text,
    "Imperfect stem" text,
    "Short stem" text,
    "Meaning" text
) ### Response: SELECT "Future stem" FROM table_14595 WHERE "Imperfect stem" = 'hartzen'