CREATE TABLE table_test_30 ("id" NUMBER, "ejection_fraction_ef" NUMBER, "multiple_long_bone_fractures" BOOLEAN, "extracellular_volume_expansion" BOOLEAN, "pregnancy_or_lactation" BOOLEAN, "bleeding" NUMBER, "serum_potassium" FLOAT, "prosthetic_heart_valve" BOOLEAN, "hbg" NUMBER, "anticoagulation" BOOLEAN, "incomplete_spinal_cord_injury" BOOLEAN, "complex_pelvic_fractures" BOOLEAN, "ascites" BOOLEAN, "gcs" NUMBER, "urine_output" NUMBER, "hyperkalemia" BOOLEAN, "head_injury" BOOLEAN, "operative_area" BOOLEAN, "trauma" BOOLEAN, "renal_disease" BOOLEAN, "metal_sensitivity" BOOLEAN, "para" BOOLEAN, "creatinine_clearance_cl" FLOAT, "mental_illness" BOOLEAN, "estimated_glomerular_filtration_rate_egfr" NUMBER, "pulmonary_rales" BOOLEAN, "edema" BOOLEAN, "platelet_count" FLOAT, "inadequate_tissue_coverage" BOOLEAN, "associated_long_bone_fractures" BOOLEAN, "pe" BOOLEAN, "long_term_anticoagulation" NUMBER, "pitting" BOOLEAN, "injury_patterns" BOOLEAN, "spinal_infection" BOOLEAN, "jugular_venous_distention" BOOLEAN, "serum_sodium_concentration" NUMBER, "previous_hemorrhagic_stroke" BOOLEAN, "orthopedic" BOOLEAN, "kidney_disease" BOOLEAN, "open_wounds" BOOLEAN, "quadriplegia" BOOLEAN, "chronic_warfarin_therapy" BOOLEAN, "chest_x_ray" BOOLEAN, "inflammation" BOOLEAN, "morbid_obesity" BOOLEAN, "iv_furosemide" NUMBER, "cardiomyopathy" BOOLEAN, "atrial_flutter" BOOLEAN, "alcohol_abuse" BOOLEAN, "aortic" BOOLEAN, "mitral" BOOLEAN, "atrial_fibrillation" BOOLEAN, "drug_abuse" BOOLEAN, "foreign_body_sensitivity" BOOLEAN, "venous_thromboembolic_disease" BOOLEAN, "chronic_anticoagulation" BOOLEAN, "myocardial_infarction" BOOLEAN, "dvt" BOOLEAN, "NOUSE" FLOAT)

previous hemorrhagic stroke
SELECT * FROM table_test_30 WHERE previous_hemorrhagic_stroke = 1
SELECT * FROM "table_test_30" WHERE "previous_hemorrhagic_stroke" = 1