Database: hospital_1
Question: What is the name of the medication used for the patient staying 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