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

at least 45 years old
SELECT * FROM table_train_74 WHERE age >= 45
SELECT * FROM "table_train_74" WHERE "age" >= 45