CREATE TABLE table_train_74 ("id" INT, "gender" TEXT, "pregnancy_or_lactation" BOOLEAN, "mini_mental_state_examination_mmse" INT, "clinical_dementia_rating_cdr" FLOAT, "age" FLOAT, "NOUSE" FLOAT)

clinical dementia rating ( cdr ) >= 0.5
SELECT * FROM table_train_74 WHERE clinical_dementia_rating_cdr >= 0.5
SELECT * FROM "table_train_74" WHERE "clinical_dementia_rating_cdr" >= 0.5