for the first time since 06/2101, when was patient 95892 prescribed a drug?
select prescriptions.startdate from prescriptions where prescriptions.hadm_id in ( select admissions.hadm_id from admissions where admissions.subject_id = 95892 ) and strftime('%y-%m',prescriptions.startdate) >= '2101-06' order by prescriptions.startdate asc limit 1