ค่าสุดท้ายของ systemicdiastolic สำหรับผู้ป่วย 006-119203 จนถึง 17/03/2104 คือเท่าใด?ไม่จำเป็นต้องใช้ตารางทั้งหมด
what was the last value of the systemicdiastolic for patient 006-119203 until 03/17/2104?It is not neccessary to use all the tables.
 allergy:  allergyid [ number]  patientunitstayid [ number]  drugname [ text]  allergyname [ text]  allergytime [ time] 
SELECT vitalperiodic.systemicdiastolic FROM vitalperiodic WHERE vitalperiodic.patientunitstayid IN (SELECT patient.patientunitstayid FROM patient WHERE patient.patienthealthsystemstayid IN (SELECT patient.patienthealthsystemstayid FROM patient WHERE patient.uniquepid = '006-119203')) AND NOT vitalperiodic.systemicdiastolic IS NULL AND STRFTIME('%y-%m-%d', vitalperiodic.observationtime) <= '2104-03-17' ORDER BY vitalperiodic.observationtime DESC LIMIT 1