had a absolute lymphocyte count lab test patient 51675 received until 3 years ago?
select count(*)>0 from labevents where labevents.itemid in ( select d_labitems.itemid from d_labitems where d_labitems.label = 'absolute lymphocyte count' ) and labevents.hadm_id in ( select admissions.hadm_id from admissions where admissions.subject_id = 51675 ) and datetime(labevents.charttime) <= datetime(current_time,'-3 year')