instruction: what procedure did patient 23550 receive the first time since 2103.
response: SELECT d_icd_procedures.short_title FROM d_icd_procedures WHERE d_icd_procedures.icd9_code IN (SELECT procedures_icd.icd9_code FROM procedures_icd WHERE procedures_icd.hadm_id IN (SELECT admissions.hadm_id FROM admissions WHERE admissions.subject_id = 23550) AND STRFTIME('%y', procedures_icd.charttime) >= '2103' ORDER BY procedures_icd.charttime LIMIT 1)