instruction: tell me the percentile of chloride worth 107.0 for patients of the same age as patient 021-111547 in their current hospital encounter?
response: SELECT DISTINCT t1.c1 FROM (SELECT lab.labresult, PERCENT_RANK() OVER (ORDER BY lab.labresult) AS c1 FROM lab WHERE lab.labname = 'chloride' AND lab.patientunitstayid IN (SELECT patient.patientunitstayid FROM patient WHERE patient.age = (SELECT patient.age FROM patient WHERE patient.uniquepid = '021-111547' AND patient.hospitaldischargetime IS NULL))) AS t1 WHERE t1.labresult = 107.0