tell me the first time that patient 60595 has been diagnosed with bladder/urethra inj-clos when they visited the hospital last time?
select diagnoses_icd.charttime from diagnoses_icd where diagnoses_icd.icd9_code = ( select d_icd_diagnoses.icd9_code from d_icd_diagnoses where d_icd_diagnoses.short_title = 'bladder/urethra inj-clos' ) and diagnoses_icd.hadm_id in ( select admissions.hadm_id from admissions where admissions.subject_id = 60595 and admissions.dischtime is not null order by admissions.admittime desc limit 1 ) order by diagnoses_icd.charttime asc limit 1