ผู้ป่วย 15209 รับประทาน d5w เป็นครั้งแรกในวันที่ 21/09/ปีนี้เมื่อใด? ไม่จำเป็นต้องใช้ตารางทั้งหมด
when did patient 15209 take his d5w for the first time on 09/21/this year?It is not neccessary to use all the tables.
 diagnoses_icd:  row_id [ number]  subject_id [ number]  hadm_id [ number]  icd9_code [ text]  charttime [ time] 
SELECT inputevents_cv.charttime FROM inputevents_cv WHERE inputevents_cv.icustay_id IN (SELECT icustays.icustay_id FROM icustays WHERE icustays.hadm_id IN (SELECT admissions.hadm_id FROM admissions WHERE admissions.subject_id = 15209)) AND inputevents_cv.itemid IN (SELECT d_items.itemid FROM d_items WHERE d_items.label = 'd5w' AND d_items.linksto = 'inputevents_cv') AND DATETIME(inputevents_cv.charttime, 'start of year') = DATETIME(CURRENT_TIME(), 'start of year', '-0 year') AND STRFTIME('%m-%d', inputevents_cv.charttime) = '09-21' ORDER BY inputevents_cv.charttime LIMIT 1