what was the first dose of prismasate (b32 k2) in 11/last year, prescribed to patient 92063?
select prescriptions.dose_val_rx from prescriptions where prescriptions.hadm_id in ( select admissions.hadm_id from admissions where admissions.subject_id = 92063 ) and prescriptions.drug = 'prismasate (b32 k2)' and datetime(prescriptions.startdate,'start of year') = datetime(current_time,'start of year','-1 year') and strftime('%m',prescriptions.startdate) = '11' order by prescriptions.startdate asc limit 1