Table schema:
CREATE TABLE Prescribes (Patient VARCHAR, Medication VARCHAR); CREATE TABLE Medication (name VARCHAR, Code VARCHAR); CREATE TABLE patient (SSN VARCHAR); CREATE TABLE stay (Patient VARCHAR)

Question: Find the name of medication used on the patient who stays in room 111?
SQL: SELECT T4.name FROM stay AS T1 JOIN patient AS T2 ON T1.Patient = T2.SSN JOIN Prescribes AS T3 ON T3.Patient = T2.SSN JOIN Medication AS T4 ON T3.Medication = T4.Code WHERE room = 111