Question: How many seasons was the singer of the Christmas song All I Want for Christmas is You, a judge on American Idol?

full_context: Document 1: All I Want for Christmas Is My Two Front Teeth: ``All I Want for Christmas Is My Two Front Teeth ''is a novelty Christmas song written in 1944 by Donald Yetter Gardner while teaching music at public schools in Smithtown, New York. He asked his second grade class what they wanted for Christmas, and noticed that almost all of the students had at least one front tooth missing as they answered in a lisp. Gardner wrote the song in 30 minutes. In a 1995 interview, Gardner said,`` I was amazed at the way that silly little song was picked up by the whole country.'' The song was published in 1948 after an employee of Witmark music company heard Gardner sing it at a music teachers conference.
Document 2: American Idol: The top 12 finalists originally included Mario Vazquez, but he dropped out citing 'personal reasons' and was replaced by Nikko Smith. Later, an employee of Freemantle Media, which produces the show, sued the company for wrongful termination, claiming that he was dismissed after complaining about lewd behavior by Vazquez toward him during the show.
Document 3: American Idol: Towards the end of the season, Randy Jackson, the last remaining of the original judges, announced that he would no longer serve as a judge to pursue other business ventures. Both judges Mariah Carey and Nicki Minaj also decided to leave after one season to focus on their music careers.
Document 4: American Idol: American Idol employs a panel of judges who critique the contestants' performances. The original judges were record producer and music manager Randy Jackson, pop singer and choreographer Paula Abdul and music executive and manager Simon Cowell. The judging panel for the most recent season consisted of country singer Keith Urban, singer and actress Jennifer Lopez, and jazz singer Harry Connick, Jr. The show was originally hosted by radio personality Ryan Seacrest and comedian Brian Dunkleman, with Seacrest continuing on for the rest of the seasons.
Document 5: Christmas Time Is in the Air Again: "Christmas Time is in the Air Again" is a song by American singer and songwriter Mariah Carey from her second Christmas album and thirteenth studio album, "Merry Christmas II You" (2010). It was written and produced by Carey in collaboration with Broadway composer Marc Shaiman. Lyrically, it is about finding love during the Christmas season. The track garnered positive reviews from critics, with one describing it as an outstanding performance and the only song on the album that could compare to one of Carey's previous Christmas singles, "All I Want for Christmas Is You". It was released as a promotional single in December 2012. An accompanying lyric video was released, and Carey has performed "Christmas Time Is in the Air Again" live on NBC's "Christmas in Rockefeller Centre" event and during her December 2014 Beacon Theatre residency called All I Want For Christmas Is You, A Night of Joy & Festivity.
Document 6: American Idol: The show had originally planned on having four judges following the Pop Idol format; however, only three judges had been found by the time of the audition round in the first season, namely Randy Jackson, Paula Abdul and Simon Cowell. A fourth judge, radio DJ Stryker, was originally chosen but he dropped out citing "image concerns". In the second season, New York radio personality Angie Martinez had been hired as a fourth judge but withdrew only after a few days of auditions due to not being comfortable with giving out criticism. The show decided to continue with the three judges format until season eight. All three original judges stayed on the judging panel for eight seasons.
Document 7: 4 Carats: "4 Carats" is a song by American recording artist Kelly Clarkson, from her sixth studio album, "Wrapped in Red" (2013). Written by Clarkson, Cathy Dennis, Livvi Franc, with Greg Kurstin, who helmed the song's production. A Christmas pop song, "4 Carats" was originally written for Clarkson's seventh studio album that would have followed-up "Wrapped in Red". Lyrically, the song explores the themes of holiday gift giving and materialism, with the singer asking Santa Claus for a four carat gemstone ring for Christmas day. Clarkson took inspirations from the songs "Santa Baby" (1953) and "Material Girl" (1984), sung by Eartha Kitt and Madonna, respectively, and described it as a crossover between the two.
Document 8: American Idol: Season 12 premiered on January 16, 2013. Judges Jennifer Lopez and Steven Tyler left the show after two seasons. This season's judging panel consisted of Randy Jackson, along with Mariah Carey, Keith Urban and Nicki Minaj. This was the first season since season nine to have four judges on the panel. The pre-season buzz and the early episodes of the show were dominated by the feud between the judges Minaj and Carey after a video of their dispute was leaked to TMZ.
Document 9: American Idol: Much media attention on the season had been focused on the three black singers, Fantasia Barrino, LaToya London, and Jennifer Hudson, dubbed the Three Divas. All three unexpectedly landed on the bottom three on the top seven result show, with Hudson controversially eliminated. Elton John, who was one of the mentors that season, called the results of the votes "incredibly racist". The prolonged stays of John Stevens and Jasmine Trias in the finals, despite negative comments from the judges, had aroused resentment, so much so that John Stevens reportedly received a death threat, which he dismissed as a joke 'blown out of proportion'.
Document 10: All I Want for Christmas Is You: ``All I Want for Christmas Is You ''is a Christmas song performed by American singer and songwriter Mariah Carey. She wrote and produced the song alongside Walter Afanasieff. Columbia Records released it on November 1, 1994, as the lead single from her fourth studio album and first holiday album, Merry Christmas (1994). It is an uptempo love song that includes bell chimes, heavy back - up vocals, and synthesizers.
Document 11: All I Want for Christmas Is You: ``All I Want for Christmas Is You ''is a Christmas song performed by American singer and songwriter Mariah Carey. She wrote and produced the song with Walter Afanasieff. Columbia Records released it on November 1, 1994, as the lead single from her first holiday album and fourth studio album, Merry Christmas.`` Christmas'' is an uptempo love song that includes bell chimes and heavy back - up vocals, as well as use of synthesizers.
Document 12: American Idol: In season eight, Latin Grammy Award-nominated singer–songwriter and record producer Kara DioGuardi was added as a fourth judge. She stayed for two seasons and left the show before season ten. Paula Abdul left the show before season nine after failing to agree terms with the show producers. Emmy Award-winning talk show host Ellen DeGeneres replaced Paula Abdul for that season, but left after just one season. On January 11, 2010, Simon Cowell announced that he was leaving the show to pursue introducing the American version of his show The X Factor to the USA for 2011. Jennifer Lopez and Steven Tyler joined the judging panel in season ten, but both left after two seasons. They were replaced by three new judges, Mariah Carey, Nicki Minaj and Keith Urban, who joined Randy Jackson in season 12. However both Carey and Minaj left after one season, and Randy Jackson also announced that he would depart the show after twelve seasons as a judge but would return as a mentor. Urban is the only judge from season 12 to return in season 13. He was joined by previous judge Jennifer Lopez and former mentor Harry Connick, Jr.. Lopez, Urban and Connick, Jr. all returned as judges for the show's fourteenth and fifteenth seasons.
Document 13: American Idol: The thirteenth season premiered on January 15, 2014, with Ryan Seacrest returning as host. Randy Jackson and Keith Urban returned, though Jackson moved from the judging panel to the role of in-mentor. Mariah Carey and Nicki Minaj left the panel after one season. Former judge Jennifer Lopez and former mentor Harry Connick, Jr. joined Urban on the panel. Also, Nigel Lythgoe and Ken Warwick were replaced as executive producers by Per Blankens, Jesse Ignjatovic and Evan Pragger. Bill DeRonde replaced Warwick as a director of the audition episodes, while Louis J. Horvitz replaced Gregg Gelfand as a director of the show.
Document 14: Christmas (Michael Bublé album): The album is Bublé's second Christmas - themed release, after he released a five - track extended play, titled Let It Snow. Some of the songs from Let It Snow have been re-recorded for inclusion on Christmas, making Christmas his first full - length holiday release. For the album, Bublé teamed up with several well - known artists to record duets. His duet version of ``White Christmas ''with country music singer Shania Twain was based on an early arrangement by The Drifters, while his recording of`` Jingle Bells'' with The Puppini Sisters was based on the 1943 recording of Bing Crosby and The Andrews Sisters. He also teamed up with Latin star Thalía for a recording of ``Feliz Navidad ''. Bublé also recorded covers of Mariah Carey's`` All I Want for Christmas Is You'', and ``Blue Christmas '', and a brand new track,`` Cold December Night'', written with his longtime co-writer Alan Chang and producer Bob Rock.
Document 15: My Only Wish (This Year): "My Only Wish (This Year)" is a pop Christmas song performed by American recording artist Britney Spears. It was written by Brian Kierulf, Josh Schwartz and Spears. It was released originally in the Christmas compilation album "Platinum Christmas". In it Spears asks Santa Claus to find her a lover during the holidays. The track received mixed to positive reviews from music critics. However, close to a decade after its release, reviewers felt the song could be considered a holiday classic. "My Only Wish (This Year)" has charted in various countries, mainly on Billboard's Holiday Songs in 2011 and 2012. On October 22, 2013, an audio-only video of the song was uploaded on Britney Spears' Vevo account.
ground_truth: one
sub_queries: who sings the christmas song all i want for christmas is you Answer: Mariah Carey
How many seasons was Mariah Carey a judge on American Idol? Answer: one