What is the transfer window of the Leeds United source with a move from Motherwell?
CREATE TABLE table_name_52 (
    transfer_window VARCHAR,
    source VARCHAR,
    moving_from VARCHAR
)
SELECT transfer_window FROM table_name_52 WHERE source = "leeds united" AND moving_from = "motherwell"
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 transfer window of the Leeds United source with a move from Motherwell? ### Input: CREATE TABLE table_name_52 (
    transfer_window VARCHAR,
    source VARCHAR,
    moving_from VARCHAR
) ### Response: SELECT transfer_window FROM table_name_52 WHERE source = "leeds united" AND moving_from = "motherwell"