What is the main service for the station with 14.849 million passengers 2011-12? 
CREATE TABLE table_18118221_1 (main_services VARCHAR, total_passengers__millions__2011_12 VARCHAR)
SELECT main_services FROM table_18118221_1 WHERE total_passengers__millions__2011_12 = "14.849"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_18118221_1 (main_services VARCHAR, total_passengers__millions__2011_12 VARCHAR) Question: What is the main service for the station with 14.849 million passengers 2011-12?  [/INST] SELECT main_services FROM table_18118221_1 WHERE total_passengers__millions__2011_12 = "14.849" </s>