Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE Faculty (FacID VARCHAR); CREATE TABLE Student (advisor VARCHAR)
### Question:
Show the ids for all the faculty members who have at least 2 students.
### Answer:
SELECT T1.FacID FROM Faculty AS T1 JOIN Student AS T2 ON T1.FacID = T2.advisor GROUP BY T1.FacID HAVING COUNT(*) >= 2