ค่ารักษาพยาบาลของผู้ป่วย 27591 จนถึง 2102 มีค่าใช้จ่ายเท่าไร ไม่จำเป็นต้องใช้โต๊ะทั้งหมด
how much does it cost for patient 27591's hospital stay until 2102.It is not neccessary to use all the tables.
 admissions:  row_id [ number]  subject_id [ number]  hadm_id [ number]  admittime [ time]  dischtime [ time]  admission_type [ text]  admission_location [ text]  discharge_location [ text]  insurance [ text]  language [ text]  marital_status [ text]  ethnicity [ text]  age [ number] 
SELECT SUM(cost.cost) FROM cost WHERE cost.hadm_id IN (SELECT admissions.hadm_id FROM admissions WHERE admissions.subject_id = 27591) AND STRFTIME('%y', cost.chargetime) <= '2102'