CREATE TABLE table_train_41 ("id" INT, "pulmonary_embolization" BOOLEAN, "hiv_infection" BOOLEAN, "neutrophil_count" INT, "renal_disease" BOOLEAN, "liver_disease" BOOLEAN, "serum_creatinine" FLOAT, "myocardial_infarction" BOOLEAN, "NOUSE" FLOAT)

subjects with an absolute neutrophil count of less than 500 / mm3 at study entry
SELECT * FROM table_train_41 WHERE neutrophil_count < 500
SELECT * FROM "table_train_41" WHERE "neutrophil_count" < 500