how many patients in 2105 have received closed bronchial biopsy in the same hospital visit after receiving hemodialysis?
select count( distinct t1.subject_id ) from ( select admissions.subject_id, procedures_icd.charttime, admissions.hadm_id from procedures_icd join admissions on procedures_icd.hadm_id = admissions.hadm_id where procedures_icd.icd9_code = ( select d_icd_procedures.icd9_code from d_icd_procedures where d_icd_procedures.short_title = 'hemodialysis' ) and strftime('%y',procedures_icd.charttime) = '2105' ) as t1 join ( select admissions.subject_id, procedures_icd.charttime, admissions.hadm_id from procedures_icd join admissions on procedures_icd.hadm_id = admissions.hadm_id where procedures_icd.icd9_code = ( select d_icd_procedures.icd9_code from d_icd_procedures where d_icd_procedures.short_title = 'closed bronchial biopsy' ) and strftime('%y',procedures_icd.charttime) = '2105' ) as t2 on t1.subject_id = t2.subject_id where t1.charttime < t2.charttime and t1.hadm_id = t2.hadm_id