has patient 56201 been potassium, whole blood tested in 01/this year?
select count(*)>0 from labevents where labevents.itemid in ( select d_labitems.itemid from d_labitems where d_labitems.label = 'potassium, whole blood' ) and labevents.hadm_id in ( select admissions.hadm_id from admissions where admissions.subject_id = 56201 ) and datetime(labevents.charttime,'start of year') = datetime(current_time,'start of year','-0 year') and strftime('%m',labevents.charttime) = '01'