 <translate> The important part for answering this question is: The Q replaced the Richfield Coliseum as the primary entertainment facility for the region and the home of the Cavaliers, and supplanted the Wolstein Center at Cleveland State University, which opened in 1990, as the primary concert and athletic venue in downtown Cleveland.
Therefore, the answer is the Richfield Coliseum. <yor> Apakan pataki fun idahun ibeere yii ni: Q rọpo Richfield Coliseum bi ohun elo ere idaraya akọkọ fun agbegbe ati ile ti Cavaliers, o si rọpo Ile-iṣẹ Wolstein ni Ile-ẹkọ giga ti Ipinle Cleveland, eyiti o ṣii ni 1990, bi ere orin akọkọ ati ibi ere idaraya ni aarin ilu Cleveland. Nítorí náà, ìdáhùn náà ni Richfield Coliseum. 