instruction: what is the medication that patient 60552 had been prescribed two times on their last hospital encounter?
response: SELECT t1.drug FROM (SELECT prescriptions.drug, COUNT(prescriptions.startdate) AS c1 FROM prescriptions WHERE prescriptions.hadm_id IN (SELECT admissions.hadm_id FROM admissions WHERE admissions.subject_id = 60552 AND NOT admissions.dischtime IS NULL ORDER BY admissions.admittime DESC LIMIT 1) GROUP BY prescriptions.drug) AS t1 WHERE t1.c1 = 2