count the number of times that patient 70206 had received a alanine aminotransferase (alt) test in 2103?
select count(*) from labevents where labevents.itemid in ( select d_labitems.itemid from d_labitems where d_labitems.label = 'alanine aminotransferase (alt)' ) and labevents.hadm_id in ( select admissions.hadm_id from admissions where admissions.subject_id = 70206 ) and strftime('%y',labevents.charttime) = '2103'