What are the names of all the physicians who took appointments.
SELECT T2.name FROM appointment AS T1 JOIN physician AS T2 ON T1.Physician  =  T2.EmployeeID
SELECT T2.name FROM appointment AS T1 JOIN physician AS T2 ON T1.Physician  =  T2.EmployeeID
[{'Name': 'John Dorian'}, {'Name': 'Elliot Reid'}, {'Name': 'John Dorian'}, {'Name': 'Percival Cox'}, {'Name': 'Percival Cox'}, {'Name': 'Elliot Reid'}, {'Name': 'Christopher Turk'}, {'Name': 'Molly Clock'}, {'Name': 'Elliot Reid'}]