did patient 2957 since 5 years ago have a alkaline phosphatase test?
select count(*)>0 from labevents where labevents.itemid in ( select d_labitems.itemid from d_labitems where d_labitems.label = 'alkaline phosphatase' ) and labevents.hadm_id in ( select admissions.hadm_id from admissions where admissions.subject_id = 2957 ) and datetime(labevents.charttime) >= datetime(current_time,'-5 year')