What is the city_code of the city that the most students live in?
CREATE TABLE STUDENT (city_code VARCHAR)
SELECT TOP 1 city_code FROM STUDENT GROUP BY city_code ORDER BY COUNT(*) DESC
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE STUDENT (city_code VARCHAR) Question: What is the city_code of the city that the most students live in? [/INST] SELECT TOP 1 city_code FROM STUDENT GROUP BY city_code ORDER BY COUNT(*) DESC </s>