until 11/2102, what was the daily maximum value of the beta-2 microglobulin of patient 47295?
select max(labevents.valuenum) from labevents where labevents.hadm_id in ( select admissions.hadm_id from admissions where admissions.subject_id = 47295 ) and labevents.itemid in ( select d_labitems.itemid from d_labitems where d_labitems.label = 'beta-2 microglobulin' ) and strftime('%y-%m',labevents.charttime) <= '2102-11' group by strftime('%y-%m-%d',labevents.charttime)