North Las Vegas is a city in Clark County, Nevada, United States, located in the Las Vegas Valley. As of the 2010 census it had a population of 216,961, with an estimated population of 226,877 in 2013. The city was incorporated on May 16, 1946. It is located in the Las VegasParadise, NV MSA and is the fourth largest city in the state of Nevada.
There are 3 cities in Nevada that have a population larger than 216,961.
A: Yes

Salvatore "Sammy the Bull" Gravano (born March 12, 1945) is a former underboss of the Gambino crime family. He is known as the man who helped bring down John Gotti, the family's boss, by agreeing to testify against him and other mobsters in a deal in which he confessed to involvement in 19 murders.
He helped get John Gotti arrested by testifying
A: Yes

Sylvia McNair (born June 23, 1956) is an American opera singer and classical recitalist who has also achieved notable success in the Broadway and cabaret genres. McNair, a soprano, has made several critically acclaimed recordings and has won two Grammy Awards.
McNair is known by critics for her ability to hit high notes.
A:
It's impossible to say