instruction: count the number of patients whose discharge location is disc-tran cancer/children h and procedure short title is ins nondrug elut cor st.
response: SELECT COUNT(DISTINCT demographic.subject_id) FROM demographic INNER JOIN procedures ON demographic.hadm_id = procedures.hadm_id WHERE demographic.discharge_location = "DISC-TRAN CANCER/CHLDRN H" AND procedures.short_title = "Ins nondrug elut cor st"