คนไข้ 99205 ต้องจ่ายค่ารักษาตัวในโรงพยาบาลเท่าไหร่?ไม่จำเป็นต้องใช้โต๊ะทั้งหมด
how much did patient 99205 have to pay for his stay in the hospital?It is not neccessary to use all the tables.
 icustays:  row_id [ number]  subject_id [ number]  hadm_id [ number]  icustay_id [ number]  first_careunit [ text]  last_careunit [ text]  first_wardid [ number]  last_wardid [ number]  intime [ time]  outtime [ time] 
SELECT SUM(cost.cost) FROM cost WHERE cost.hadm_id IN (SELECT admissions.hadm_id FROM admissions WHERE admissions.subject_id = 99205)