Complex sentence: Its best known tenant is the women's basketball club UNIQA Sopron, one of the top teams of the Hungarian championship, that also regularly plays in the EuroLeague Women, having reached the Final Four in 2009.
Split into simpler sentences: Its best known tenant is the women's basketball club UNIQA Sopron, one of the top teams of the Hungarian championship. They also play in the EuroLeague Women where thay have reached the Final Four in 2009.