Nosezz

SELECT amount || ' ' ||
       CASE WHEN amount % 100 / 10 = 1 THEN 'автомобилей'
            WHEN amount % 10 = 1 THEN 'автомобиль'
            WHEN amount % 10 IN (2,3,4) THEN 'автомобиля'
            ELSE 'автомобилей'
            END
FROM generate_series(0,600) AS source (amount)