CREATE TABLE table_train_84 ("id" INT, "gender" TEXT, "mini_mental_state_examination_mmse" INT, "modified_hachinski_ischemia_scale" INT, "post_menopausal" BOOLEAN, "allergy_to_rifaximin" BOOLEAN, "surgically_sterilized" BOOLEAN, "body_mass_index_bmi" FLOAT, "age" FLOAT, "NOUSE" FLOAT)

modified hachinski ischemia score >= 4
SELECT * FROM table_train_84 WHERE modified_hachinski_ischemia_scale >= 4
SELECT * FROM "table_train_84" WHERE "modified_hachinski_ischemia_scale" >= 4