tell me the dose of d5w (glass bottle) that patient 65582 had been prescribed in this month?
select sum(prescriptions.dose_val_rx) from prescriptions where prescriptions.hadm_id in ( select admissions.hadm_id from admissions where admissions.subject_id = 65582 ) and prescriptions.drug = 'd5w (glass bottle)' and datetime(prescriptions.startdate,'start of month') = datetime(current_time,'start of month','-0 month')