instruction: how many times have patient 75762 been treated with lumb/lmbsac fus ant/post on their first hospital visit?
response: SELECT COUNT(*) FROM procedures_icd WHERE procedures_icd.icd9_code = (SELECT d_icd_procedures.icd9_code FROM d_icd_procedures WHERE d_icd_procedures.short_title = 'lumb/lmbsac fus ant/post') AND procedures_icd.hadm_id IN (SELECT admissions.hadm_id FROM admissions WHERE admissions.subject_id = 75762 AND NOT admissions.dischtime IS NULL ORDER BY admissions.admittime LIMIT 1)