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 Employees (role_code VARCHAR)
  ### Question:
  Show all role codes and the number of employees in each role.
  ### Answer:
  SELECT role_code, COUNT(*) FROM Employees GROUP BY role_code