instruction: what is the hospitals minimum cost that involves a procedure called a fiber-optic bronchoscopy?
response: SELECT MIN(t1.c1) FROM (SELECT SUM(cost.cost) AS c1 FROM cost WHERE cost.hadm_id IN (SELECT procedures_icd.hadm_id FROM procedures_icd WHERE procedures_icd.icd9_code = (SELECT d_icd_procedures.icd9_code FROM d_icd_procedures WHERE d_icd_procedures.short_title = 'fiber-optic bronchoscopy')) GROUP BY cost.hadm_id) AS t1