instruction: find the number of patients categorized under hematology lab test who have diagnoses of insulins and antidiabetic agents causing adverse effects in therapeutic use.
response: SELECT COUNT(DISTINCT demographic.subject_id) FROM demographic INNER JOIN diagnoses ON demographic.hadm_id = diagnoses.hadm_id INNER JOIN lab ON demographic.hadm_id = lab.hadm_id WHERE diagnoses.long_title = "Insulins and antidiabetic agents causing adverse effects in therapeutic use" AND lab."CATEGORY" = "Hematology"