instruction: what was patient 032-754's first value of the systemicsystolic since 897 days ago?
response: SELECT vitalperiodic.systemicsystolic FROM vitalperiodic WHERE vitalperiodic.patientunitstayid IN (SELECT patient.patientunitstayid FROM patient WHERE patient.patienthealthsystemstayid IN (SELECT patient.patienthealthsystemstayid FROM patient WHERE patient.uniquepid = '032-754')) AND NOT vitalperiodic.systemicsystolic IS NULL AND DATETIME(vitalperiodic.observationtime) >= DATETIME(CURRENT_TIME(), '-897 day') ORDER BY vitalperiodic.observationtime LIMIT 1