ค่าใช้จ่ายรวมสูงสุดของโรงพยาบาลซึ่งรวมถึงยาที่เรียกว่า erythromycin ethylsuccinate ตั้งแต่ปี 2101 เป็นเท่าใด ไม่จำเป็นต้องใช้ตารางทั้งหมด
what is the maximum total cost of the hospital, which includes medicines called erythromycin ethylsuccinate since 2101?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 MAX(t1.c1) FROM (SELECT SUM(cost.cost) AS c1 FROM cost WHERE cost.hadm_id IN (SELECT prescriptions.hadm_id FROM prescriptions WHERE prescriptions.drug = 'erythromycin ethylsuccinate') AND STRFTIME('%y', cost.chargetime) >= '2101' GROUP BY cost.hadm_id) AS t1