How many years has this professional league competition for football clubs been operating, in which Associazione Calcio CHievoVerona is currently competing?
Serie A: Serie A (] ), also called Serie A TIM due to sponsorship by TIM, is a professional league competition for football clubs located at the top of the Italian football league system and the winner is awarded the Coppa Campioni d'Italia. Serie A:  It has been operating for over eighty years since the 1929–30 season.
i don't know