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_27487310_5 (host_s_ VARCHAR, air_dates VARCHAR)
### Question:
Who is the host on the series aired on 18 January 2012?
### Answer:
SELECT host_s_ FROM table_27487310_5 WHERE air_dates = "18 January 2012"