what was the first amount of abciximab that was prescribed to patient 11322 during the first hospital encounter?
select prescriptions.dose_val_rx from prescriptions where prescriptions.hadm_id in ( select admissions.hadm_id from admissions where admissions.subject_id = 11322 and admissions.dischtime is not null order by admissions.admittime asc limit 1 ) and prescriptions.drug = 'abciximab' order by prescriptions.startdate asc limit 1