List the race class with at least two races.
CREATE TABLE race (CLASS VARCHAR)
SELECT CLASS FROM race GROUP BY CLASS HAVING COUNT(*) >= 2
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE race (CLASS VARCHAR) Question: List the race class with at least two races. [/INST] SELECT CLASS FROM race GROUP BY CLASS HAVING COUNT(*) >= 2 </s>