Show all advisors who have at least two students.
CREATE TABLE Student (advisor VARCHAR)
SELECT advisor FROM Student GROUP BY advisor HAVING COUNT(*) >= 2
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE Student (advisor VARCHAR) Question: Show all advisors who have at least two students. [/INST] SELECT advisor FROM Student GROUP BY advisor HAVING COUNT(*) >= 2 </s>