when did patient 11426 until 05/05/2102 for the last time have an intake?
select inputevents_cv.charttime from inputevents_cv where inputevents_cv.icustay_id in ( select icustays.icustay_id from icustays where icustays.hadm_id in ( select admissions.hadm_id from admissions where admissions.subject_id = 11426 ) ) and strftime('%y-%m-%d',inputevents_cv.charttime) <= '2102-05-05' order by inputevents_cv.charttime desc limit 1