does hydrochlorothiazide have been prescribed to patient 85700 during this month?
select count(*)>0 from prescriptions where prescriptions.hadm_id in ( select admissions.hadm_id from admissions where admissions.subject_id = 85700 ) and prescriptions.drug = 'hydrochlorothiazide' and datetime(prescriptions.startdate,'start of month') = datetime(current_time,'start of month','-0 month')