Task: Text to Code
Input (English): Step 1: For each row in Appointment table, find corresponding rows in Physician table and in Nurse table.
Step 2: find the number of rows of each value of Physician's Position in the results of step 1.
Step 3: find Nurse's Name, Nurse's Position of the results of step 1 with smallest value in the results of step 2
Output (English): SELECT T2.Name , T2.Position FROM Physician AS T1 JOIN Nurse AS T2 JOIN Appointment AS T3 ON T1.EmployeeID = T3.Physician AND T3.PrepNurse = T2.EmployeeID GROUP BY T1.Position ORDER BY Count ( * ) Asc LIMIT 1