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_28181347_6 (replaced_by VARCHAR, date_of_vacancy VARCHAR)
### Question:
In football league one, what coach was hired as a replacement on 8 October 2007
### Answer:
SELECT replaced_by FROM table_28181347_6 WHERE date_of_vacancy = "8 October 2007"