Who is the host on the series aired on 18 January 2012?
CREATE TABLE table_27487310_5 (host_s_ VARCHAR, air_dates VARCHAR)
SELECT host_s_ FROM table_27487310_5 WHERE air_dates = "18 January 2012"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_27487310_5 (host_s_ VARCHAR, air_dates VARCHAR) Question: Who is the host on the series aired on 18 January 2012? [/INST] SELECT host_s_ FROM table_27487310_5 WHERE air_dates = "18 January 2012" </s>