For each city, return the highest latitude among its stations.
CREATE TABLE station (city VARCHAR, lat INTEGER)
SELECT city, MAX(lat) FROM station GROUP BY city
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE station (city VARCHAR, lat INTEGER) Question: For each city, return the highest latitude among its stations. [/INST] SELECT city, MAX(lat) FROM station GROUP BY city </s>