How many transfer windows coming from Crystal Palace?
CREATE TABLE table_17596418_4 (
    COUnT VARCHAR,
    moving_from VARCHAR
)
SELECT COUnT AS transfer_window FROM table_17596418_4 WHERE moving_from = "Crystal palace"
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: How many transfer windows coming from Crystal Palace? ### Input: CREATE TABLE table_17596418_4 (
    COUnT VARCHAR,
    moving_from VARCHAR
) ### Response: SELECT COUnT AS transfer_window FROM table_17596418_4 WHERE moving_from = "Crystal palace"