###HUMAN: what was the name of the drug that patient 433 had been prescribed two or more times?, ###ASSISTANT: 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 = 433) GROUP BY prescriptions.drug) AS t1 WHERE t1.c1 >= 2