Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_52 (transfer_window VARCHAR, source VARCHAR, moving_from VARCHAR)
### Question:
What is the transfer window of the Leeds United source with a move from Motherwell?
### Answer:
SELECT transfer_window FROM table_name_52 WHERE source = "leeds united" AND moving_from = "motherwell"