Question: The winner of America's Got Talent wins the chance to headline a show on a strip of land that is approximately how many miles long?

Context paragraphs:
Thailand's Got Talent (season 4): Thailand's Got Talent season 4 (also known as TGT) was the fourth season of the Thailand's Got Talent reality television series on the Channel 3 television network, and part of the global British "Got Talent" series.  It is a talent show that features singers, dancers, sketch artists, comedians and other performers of all ages competing for the advertised top prize of 10,000,000 Baht (approximately $325,000).  The show debuted in June 2014.  Thailand is also the fifth country in Asia to license Got Talent series.  The four judges Chalatit Tantiwut,Patcharasri Benjamad,Pornchita Na Songkla and Nitipong Hornak join hosts Ketsepsawat Palagawongse na Ayutthaya.

Thailand's Got Talent (season 5): Thailand's Got Talent season 5 (also known as TGT) was the fifth season of the Thailand's Got Talent reality television series on the Channel 3 television network, and part of the global British "Got Talent" series.  It is a talent show that features singers, dancers, sketch artists, comedians and other performers of all ages competing for the advertised top prize of 10,000,000 Baht (approximately $325,000).  The show debuted in June 2015.  Thailand is also the fifth country in Asia to license Got Talent series.  The four judges Chalatit Tantiwut,Patcharasri Benjamad,Pornchita Na Songkla and Nitipong Hornak join hosts Ketsepsawat Palagawongse na Ayutthaya.

Alex Magala: Alexandr Magala (born 24 June 1989 in Orhei) is a Moldovan entertainer and sword swallower who won "Russia's Got Talent" in 2014.  He was also a finalist on "Britain's Got Talent" and "Italia's Got Talent", a semi-finalist on "Ukraine's Got Talent", and a quarter-finalist on "America's Got Talent."

Česko Slovensko má talent: Česko Slovensko má talent ("Czechia Slovakia's Got Talent" or "Czecho Slovakia's Got Talent") is a Czech and Slovak televised talent show competition which started in August 2010 and originated from the "Got Talent" franchise.  The show is a Thames production (formerly Talkback Thames) distributed by FremantleMedia and is produced in association with Syco TV.  The show is broadcast on TV JOJ and Prima family.  Anyone of any age with any sort of talent can audition for the show.  Acts compete against each other to gain audience support while trying to become "the winner of "Czecho Slovakia's Got Talent"".

America's Got Talent: America's Got Talent (sometimes abbreviated as AGT) is an American reality television series on the NBC television network, and part of the global "Got Talent" franchise.  It is a talent show that features singers, dancers, magicians, comedians, and other performers of all ages competing for the advertised top prize of one million dollars.  The show debuted in June 2006 for the summer television season.  From season three (2008) onwards, the prize includes the one million dollars, payable in a financial annuity over 40 years, and a chance to headline a show on the Las Vegas Strip.  Among its significant features is that it gives an opportunity to talented amateurs or unknown performers, with the results decided by an audience vote.  The format is a popular one and has often been reworked for television in the United States and the United Kingdom.

Canada's Got Talent: Canada's Got Talent is a Canadian reality talent show series that debuted on the Citytv network on March 4, 2012, and part of the global "Got Talent" franchise.  The logo used for "Canada's Got Talent" does not follow the logo from "America's Got Talent", but instead follows the logo from "Britain's Got Talent".

Thailand's Got Talent (season 6): Thailand's Got Talent season 6 (also known as TGT) was the sixth season of the Thailand's Got Talent reality television series on the Channel 3 television network, and part of the global British "Got Talent" series.  It is a talent show that features singers, dancers, sketch artists, comedians and other performers of all ages competing for the advertised top prize of 10,000,000 Baht (approximately $325,000).  The show debuted in 12 June 2016.  Thailand is also the fifth country in Asia to license Got Talent series.  The four judges Chalatit Tantiwut,Patcharasri Benjamad,Kathaleeya McIntosh and Nitipong Hornak join hosts Ketsepsawat Palagawongse na Ayutthaya.

Las Vegas Strip: The Las Vegas Strip is a stretch of South Las Vegas Boulevard in Clark County, Nevada, known for its concentration of resort hotels and casinos.  The Strip is approximately 4.2 mi in length, located immediately south of the Las Vegas city limits in the unincorporated towns of Paradise and Winchester.  However, the Strip is often referred to as being in Las Vegas.  Most of the Strip has been designated an All-American Road, and is considered a scenic route at night.

Maine's Got Talent: Maine's Got Talent is a talent show competition put on by the Miss Maine Scholarship Program, based on the American reality TV show "America's Got Talent".  Maine's Got Talent was started in the Spring of 2009 as a fundraiser for the Miss Maine America pageant.  Performers from all over Maine are asked to fill out an audition form, and send it in with a two-minute recording of them performing their talent.  Those auditioning can sing, act, dance, or any other perform any other talent.  The Miss Maine Organization chooses the top performers to compete for a cash prize, a trophy, and performance opportunities including the spotlight at the Miss Maine America pageant and an audition with the talent agency Dolphin Entertainment.

Thailand's Got Talent (season 1): Thailand's Got Talent season 1 (also known as TGT) was the first season of the Thailand's Got Talent reality television series on the Channel 3 television network, and part of the global British "Got Talent" series.  It is a talent show that features singers, dancers, sketch artists, comedians and other performers of all ages competing for the advertised top prize of 10,000,000 Baht (approximately $325,000).  The show debuted in March 2011.  Thailand is also the fifth country in Asia to license Got Talent series.  The three judges Nirut Sirijanya, Benz Pomchita Na Songkla, and Pinyo Rutham join hosts Krit Sribhumisret and Ketsepsawat Palagawongse na Ayutthaya.

Supporting paragraphs: America's Got Talent Las Vegas Strip
Answer: 4.2