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_2147588_4 (vacator VARCHAR, successor VARCHAR)
### Question:
When nathaniel g. taylor (u) is the successor what is the vacator?
### Answer:
SELECT vacator FROM table_2147588_4 WHERE successor = "Nathaniel G. Taylor (U)"