instruction: what's the name of patient 015-94542's allergy in 03/2100?
response: SELECT allergy.allergyname FROM allergy WHERE allergy.patientunitstayid IN (SELECT patient.patientunitstayid FROM patient WHERE patient.patienthealthsystemstayid IN (SELECT patient.patienthealthsystemstayid FROM patient WHERE patient.uniquepid = '015-94542')) AND STRFTIME('%y-%m', allergy.allergytime) = '2100-03'