instruction: when did patient 010-29520 receive potassium lab test for the first time since 105 months ago?
response: SELECT lab.labresulttime FROM lab WHERE lab.patientunitstayid IN (SELECT patient.patientunitstayid FROM patient WHERE patient.patienthealthsystemstayid IN (SELECT patient.patienthealthsystemstayid FROM patient WHERE patient.uniquepid = '010-29520')) AND lab.labname = 'potassium' AND DATETIME(lab.labresulttime) >= DATETIME(CURRENT_TIME(), '-105 month') ORDER BY lab.labresulttime LIMIT 1