CREATE TABLE table_test_27 ("id" INT, "anemia" BOOLEAN, "bleeding" INT, "left_ventricular_ejection_fraction_lvef" INT, "intra_aortic_balloon_pump_iabp" BOOLEAN, "systolic_blood_pressure_sbp" INT, "left_main_stem_coronary_artery_stenosis" INT, "haemoglobin" FLOAT, "renal_disease" BOOLEAN, "creatinine_clearance_cl" FLOAT, "estimated_glomerular_filtration_rate_egfr" INT, "cardiogenic_shock" BOOLEAN, "platelet_count" FLOAT, "iv_pressors" BOOLEAN, "hemodynamic_instability" BOOLEAN, "hypotension" BOOLEAN, "serum_creatinine" FLOAT, "NOUSE" FLOAT)

critical ( >= 95 % ) left main stem coronary artery stenosis
SELECT * FROM table_test_27 WHERE left_main_stem_coronary_artery_stenosis >= 95
SELECT * FROM "table_test_27" WHERE "left_main_stem_coronary_artery_stenosis" >= 95