ขั้นตอนใดที่มอบให้ผู้ป่วย 728 สองครั้งขึ้นไปจนถึง 07/2102?ไม่จำเป็นต้องใช้ตารางทั้งหมด
what procedure is provided to patient 728 two or more times until 07/2102?It is not neccessary to use all the tables.
 inputevents_cv:  row_id [ number]  subject_id [ number]  hadm_id [ number]  icustay_id [ number]  charttime [ time]  itemid [ number]  amount [ number] 
SELECT d_icd_procedures.short_title FROM d_icd_procedures WHERE d_icd_procedures.icd9_code IN (SELECT t1.icd9_code FROM (SELECT procedures_icd.icd9_code, COUNT(procedures_icd.charttime) AS c1 FROM procedures_icd WHERE procedures_icd.hadm_id IN (SELECT admissions.hadm_id FROM admissions WHERE admissions.subject_id = 728) AND STRFTIME('%y-%m', procedures_icd.charttime) <= '2102-07' GROUP BY procedures_icd.icd9_code) AS t1 WHERE t1.c1 >= 2)