when was the first time patient 13054 received a sodium test in the laboratory since 11/2102?
select labevents.charttime from labevents where labevents.itemid in ( select d_labitems.itemid from d_labitems where d_labitems.label = 'sodium' ) and labevents.hadm_id in ( select admissions.hadm_id from admissions where admissions.subject_id = 13054 ) and strftime('%y-%m',labevents.charttime) >= '2102-11' order by labevents.charttime asc limit 1