when did patient 1372 since 102 months ago last get a mrsa screen microbiology test?
select microbiologyevents.charttime from microbiologyevents where microbiologyevents.hadm_id in ( select admissions.hadm_id from admissions where admissions.subject_id = 1372 ) and microbiologyevents.spec_type_desc = 'mrsa screen' and datetime(microbiologyevents.charttime) >= datetime(current_time,'-102 month') order by microbiologyevents.charttime desc limit 1