Question: What county in New Hampshire did Alex Preston, the third place contestant on the thirteeth season of "American Idol", come from?

Context paragraphs:
DialIdol: DialIdol is both the name of a computer program for Microsoft Windows and its associated website that tracks voting trends for "American Idol" contestants.  The program allows users to automatically vote for the "American Idol" contestants of their choice using their PC's modem.  The program then reports back to the main website, which keeps track of the results based on the percentage of calls for each contestant that result in a busy signal.  DialIdol assumes that more busy signals means more callers are attempting to vote for that contestant.  DialIdol was created during the fourth season of "American Idol" and was released to the public at the start of the fifth season.

Mayré Martínez: Mayré Andrea de los Ángeles Martínez Blanco (Born November 28 in Caracas, Venezuela), is a Latin pop singer, songwriter.  She rose to popularity in Latin America after winning the first season of the reality show "Latin American Idol".  In her native country, Venezuela, she was a contestant in Radio Caracas Television's reality show "Fama, Sudor y Lágrimas" 2006, where she came in fifth place, because she decided to back out in order to join the cast of "Latin American Idol".  She's the oldest contestant ever to win "Latin American Idol" prior to being the first winner.

Melinda Doolittle: Melinda Marie Doolittle (born October 6, 1977) is an American singer who finished as the third place finalist on the sixth season of "American Idol".  Prior to her appearance on "American Idol", Doolittle worked as a professional back-up singer for, among others, Michael McDonald, Kirk Franklin, Aaron Neville, BeBe and CeCe Winans, Alabama, Jonny Lang, Vanessa Bell Armstrong, Carman, and Anointed.

Anoop Desai: Anoop Manoj Desai (born December 20, 1986) is an American singer-songwriter best known for his time as a contestant on the eighth season of "American Idol".  Motivated by the death of his friend Eve Carson, Desai auditioned for "American Idol".  Desai made "American Idol" history by being the first ever 13th finalist on "American Idol".  Favored to win by celebrities including Ellen DeGeneres and Keith Urban, Desai achieved a sixth-place finish, becoming the second Indian American to advance to the final stages of "American Idol".

Jordin Sparks: Jordin Brianna Sparks (born December 22, 1989) is an American singer, songwriter, and actress.  She rose to fame in 2007 after winning the sixth season of "American Idol"; at age 17, she became the youngest winner in the series' history.  Her self-titled debut studio album, released later that year, was certified platinum by the Recording Industry Association of America (RIAA) and has sold over two million copies worldwide.  The album spawned the "Billboard" Hot 100 top-ten singles "Tattoo" and "No Air"; the latter, a collaboration with Chris Brown, is currently the third highest-selling single by any "American Idol" contestant, selling over three million digital copies in the United States.  The song earned Sparks her first Grammy Award nomination for Best Pop Collaboration with Vocals.

Vote for the Worst: VoteForTheWorst.com (VFTW) was a website devoted to voting for the worst, most entertaining, most hated or quirkiest contestants on the Fox Network television series "American Idol" as well as the NBC Network television series "The Voice".  Smaller campaigns have also been started on the site for CTV's "Canadian Idol", Fox's "On the Lot" and "The Next Great American Band", NBC's "America's Got Talent", and ABC's "Dancing with the Stars".  The website was started in 2004 during the third season of "American Idol".  Vote for the Worst also had a weekly radio show that has featured guests such as Ayla Brown, Trenyce, Leslie Hunt, Steffi DiDomenicantonio, Alex Wagner-Trugman and Todrick Hall.  The site closed down in June 2013.

Alex Preston (singer): Alex Preston Philbrick (born May 6, 1993), better known as Alex Preston, is an American singer from Mont Vernon, New Hampshire, who was a finalist on the thirteenth season of "American Idol", coming in third place.  On July 21, 2015, he released his debut self-titled album.

Mandisa: Mandisa Lynn Hundley (born October 2, 1976), known professionally as Mandisa, is an American gospel and contemporary Christian recording artist.  Her career began as a contestant in the fifth season of "American Idol", in which she finished in ninth place.  She is the fifth "American Idol" alumna to win a Grammy Award for her album "Overcomer" in the Best Contemporary Christian Music Album.

New Zealand Idol: NZ Idol, more commonly known as New Zealand Idol, was the New Zealand version of the Idol series originated as the hit British TV series "Pop Idol".  New Zealand first saw the "Idol" format when TV2 aired "American Idol 2", which garnered impressive ratings.  After "Australian Idol" also received good ratings in New Zealand, TVNZ decided to order the first season of "NZ Idol", which was broadcast on TV2.  After the third season in 2006, TVNZ made a decision not to fund or broadcast a fourth season, thus placing "New Zealand Idol" on indefinite hiatus, with no plans to run a fourth season.

Mont Vernon, New Hampshire: Mont Vernon is a town in Hillsborough County, New Hampshire, United States.  The population was 2,409 at the 2010 census.

Supporting paragraphs: Alex Preston (singer) Mont Vernon, New Hampshire
Answer: Hillsborough County