instruction: what's patient 030-52327's minimum value of fio2 on their current hospital encounter?
response: SELECT MIN(lab.labresult) FROM lab WHERE lab.patientunitstayid IN (SELECT patient.patientunitstayid FROM patient WHERE patient.patienthealthsystemstayid IN (SELECT patient.patienthealthsystemstayid FROM patient WHERE patient.uniquepid = '030-52327' AND patient.hospitaldischargetime IS NULL)) AND lab.labname = 'fio2'