Find the name and position of the head of the department with the least employees.
SELECT T2.name ,  T2.position FROM department AS T1 JOIN physician AS T2 ON T1.head  =  T2.EmployeeID GROUP BY departmentID ORDER BY count(departmentID) LIMIT 1;
SELECT T2.name ,  T2.position FROM department AS T1 JOIN physician AS T2 ON T1.head  =  T2.EmployeeID GROUP BY departmentID ORDER BY count(departmentID) LIMIT 1;
[{'Name': 'Percival Cox', 'Position': 'Senior Attending Physician'}]