text: 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 Has_allergy (StuID VARCHAR)
  ### Question:
  Show all student IDs who have at least two allergies.
  ### Answer:
  SELECT StuID FROM Has_allergy GROUP BY StuID HAVING COUNT(*) >= 2