CREATE TABLE table_train_256 ("id" INT, "mini_mental_state_examination_mmse" INT, "language" TEXT, "mild_cognitive_impairment" BOOLEAN, "moca_score" INT, "dementia" BOOLEAN, "body_mass_index_bmi" FLOAT, "age" FLOAT, "NOUSE" FLOAT)

ages 2 to 40 years at diagnosis
SELECT * FROM table_train_256 WHERE age >= 2 AND age <= 40
SELECT * FROM "table_train_256" WHERE "age" <= 40 AND "age" >= 2