what is the sql command for question 13

13. List the number of medications prescribed and the average unit cost of these medications, per treatment. Ord the average unit of cost. er the list in ascending order of treatment and then Physician FirstName LastName ID Specialty Phone Salary ClinicalTests Name Description UnitCost Consultation ConsultationID PhysicianID PatientsSN Date equestedClinicalTests Teatio Date Resulit Medication ConsultationID MedicationID Dosage DosageUnit Quantity UnitCost ollowUp ConsultationlD Item Diagnosis Treatment Medicine MedicationlD Name Indications Contralndications Patient1 SSN FirstName LastName InsuranceNo D0B