CREATE TABLE table_train_91 ("id" NUMBER, "mini_mental_state_examination_mmse" NUMBER, "stroke" BOOLEAN, "rosen_modified_hachinski_ischemic_score" NUMBER, "NOUSE" FLOAT)

rosen modified hachinski ischemic score less than or equal to 4
SELECT * FROM table_train_91 WHERE rosen_modified_hachinski_ischemic_score <= 4
SELECT * FROM "table_train_91" WHERE "rosen_modified_hachinski_ischemic_score" <= 4