SELECT head FROM department GROUP BY departmentID ORDER BY count(departmentID) LIMIT 1;
Tell me the employee id of the head of the department with the least employees.
SELECT head FROM department GROUP BY departmentID ORDER BY count ( departmentID ) LIMIT 1 ;
select head from department group by departmentid order by count ( departmentid ) limit value
Tell me the employee id of the head of the department with the least employees .