what was the last laboratory test given to patient 1372 until 06/2100?
select d_labitems.label from d_labitems where d_labitems.itemid in ( select labevents.itemid from labevents where labevents.hadm_id in ( select admissions.hadm_id from admissions where admissions.subject_id = 1372 ) and strftime('%y-%m',labevents.charttime) <= '2100-06' order by labevents.charttime desc limit 1 )