Question: What was the number of sits of the indoor events arena in Manchester for concerts in which the Manchester Monarchs team plays its home games?
Sentence (from "Ontario Reign (ECHL)"): In 2015, the franchise moved to Manchester, New Hampshire to become the Manchester Monarchs while the Monarchs of the American Hockey League moved to Ontario and became the Reign as part of the AHL's plan to create a Pacific Division.
Relevant evidence: No