Show year where a track with a seating at least 5000 opened and a track with seating no more than 4000 opened.
SELECT year_opened FROM track WHERE seating BETWEEN 4000 AND 5000
SHOY YILI SOUDIRE Oturma Pisti En az 5000 açıldı ve 4000'den fazla oturma yeri olmayan bir parkur açıldı.