had patient 74159 received a test of oxygen saturation in their first hospital visit?
select count(*)>0 from labevents where labevents.itemid in ( select d_labitems.itemid from d_labitems where d_labitems.label = 'oxygen saturation' ) and labevents.hadm_id in ( select admissions.hadm_id from admissions where admissions.subject_id = 74159 and admissions.dischtime is not null order by admissions.admittime asc limit 1 )