Question: What 23-storey residential skyscraper opened to the public on March 22, 2012?
Sentence (from "The Regent (City Creek)"): The Regent (City Creek) is a gold LEED certified, 23-storey, 150-unit residential skyscraper located in the City Creek Center, on 35 East 100 South, Salt Lake City, Utah.
Relevant evidence: Yes