CREATE TABLE table_test_20 ("id" INT, "ejection_fraction_ef" INT, "anemia" BOOLEAN, "gender" TEXT, "bleeding" INT, "systolic_blood_pressure_sbp" INT, "left_main_coronary_artery_stenosis" INT, "hemoglobin_a1c_hba1c" FLOAT, "renal_disease" BOOLEAN, "creatinine_clearance_cl" FLOAT, "prior_creatinine" FLOAT, "diastolic_blood_pressure_dbp" INT, "hypertension" BOOLEAN, "age" FLOAT, "NOUSE" FLOAT)

any left main coronary artery stenosis > 20 % .
SELECT * FROM table_test_20 WHERE left_main_coronary_artery_stenosis > 20
SELECT * FROM "table_test_20" WHERE "left_main_coronary_artery_stenosis" > 20