Context: CREATE TABLE ROLES (Id VARCHAR); CREATE TABLE Employees (Id VARCHAR)
Question: List roles that have more than one employee. List the role description and number of employees.
Answer: SELECT Roles.role_description, COUNT(Employees.employee_id) FROM ROLES JOIN Employees ON Employees.role_code = Roles.role_code GROUP BY Employees.role_code HAVING COUNT(Employees.employee_id) > 1