Question: Which host of American Top 40 referred to Jon Peter Lewis as JPL?

full_context: Document 1: Leona Lewis: Leona Louise Lewis (born 3 April 1985) is a British singer, songwriter and animal welfare campaigner. She was born and raised in the London Borough of Islington, London, where she attended the BRIT School for Performing Arts and Technology. Lewis achieved national recognition when she won the third series of "The X Factor" in 2006, winning a £1 million recording contract with Simon Cowell's record label, Syco Music. Her winner's single, a cover of Kelly Clarkson's "A Moment Like This", peaked at number one for four weeks on the UK Singles Chart and it broke a world record for having 50,000 digital downloads within 30 minutes. In February 2007, Lewis signed a five-album contract in the United States with Clive Davis's record label, J Records.
Document 2: Jaren Johnston: Jaren Johnston (born October 4, 1980) is an American country music and rock singer and songwriter. He is a member of the group The Cadillac Three.
Document 3: American Idol (season 15): The fifteenth season of "American Idol", also branded as American Idol: The Farewell Season, premiered on the Fox television network on January 6, 2016. Ryan Seacrest continued as the show's host, while Jennifer Lopez, Keith Urban, and Harry Connick, Jr. returned as judges. This season was four to six weeks shorter than seasons 2 through 14. On April 7, Trent Harmon was announced as the season's winner and La'Porsha Renae was the runner-up. Harmon was the third consecutive winner to never be in the bottom two or three, and the eighth male winner in nine years.
Document 4: Peter Bjorn and John: Peter Bjorn and John are a Swedish indie pop/rock band, formed in Stockholm in 1999 and named after the first names of the band's members: Peter Morén (vocals, guitar and harmonica), Björn Yttling (bass guitar, keyboards and vocals) and John Eriksson, known in his solo work as Hortlax Cobra (drums, percussion and vocals). Yttling also worked as producer for the band's first four albums.
Document 5: Nels Jensen: Nels Jensen entered the music scene in 1998 with the Ska-punk band the Usual Suspects. After several years of performing and recording he decided to expand his knowledge to the other side of the glass. Nels entered Musician’s Institutes’ RIT program in 2004. Soon after, Nels was lucky enough to assist the great Orlando Rashid (Jamie Foxx, Ludacris, T.I.) who had just finished up Jamie Foxx's multi-platinum record Unpredictable. Through Orlando, Nels has been fortunate enough to have worked with such people as Jamie Foxx, Busta Rhymes and Ashanti. In 2006 Nels came to the attention of Grammy winning producer/engineer Jeff Peters of the Beach Boys, Brian Setzer Orchestra, and Goldspot fame. Nels has worked closely with Jeff as his Pro Tools operator ever since. Nels is Pro Tools certified and also teaches at Musicians Institute in Hollywood California. Nels has shown himself to be extremely versatile, creative, and hard working, his dedication and success are proof that we will be hearing much more from Nels Jensen in the years to come.
Document 6: Jon Peter Lewis: Jon Peter Lewis (born November 7, 1979, Lincoln, Nebraska) is an American singer and songwriter, and was one of the finalists on the third season of the reality/talent-search television series "American Idol". He was frequently referred to by the judges and Ryan Seacrest as JPL.
Document 7: American Idol: American Idol is an American singing competition television series created by Simon Fuller, produced by FremantleMedia North America and 19 Entertainment, and distributed by FremantleMedia North America. It began airing on Fox on June 11, 2002, and ended its first-run on April 7, 2016. In 2018, the show will make its debut on ABC. It started off as an addition to the "Idols" format based on the British series "Pop Idol", and became one of the most successful shows in the history of American television. The concept of the series involves discovering recording stars from unsigned singing talents, with the winner determined by the viewers in America through telephones, Internet, and SMS text voting. Winners chosen by viewers in its fifteen seasons were Kelly Clarkson, Ruben Studdard, Fantasia, Carrie Underwood, Taylor Hicks, Jordin Sparks, David Cook, Kris Allen, Lee DeWyze, Scotty McCreery, Phillip Phillips, Candice Glover, Caleb Johnson, Nick Fradiani, and Trent Harmon.
Document 8: American Idol (season 7): The seventh season of American Idol, the annual reality show and singing competition, began on January 15, 2008 and concluded on May 21, 2008. Ryan Seacrest continued to host the show with Simon Cowell, Paula Abdul, and Randy Jackson returning as judges. David Cook was announced the winner of the competition on May 21, 2008, defeating runner-up David Archuleta by a margin of roughly 12 million votes out of over 97 million, which was at that time the highest recorded vote total ever recorded in the show's history. The split was 56 % to 44 %.
Document 9: Keeping Up with the Kardashians: Keeping Up with the Kardashians (often abbreviated KUWTK) is an American reality television series that airs on the E! cable network. The show focuses on the personal and professional lives of the Kardashian–Jenner blended family. Its premise originated with Ryan Seacrest, who also serves as an executive producer. The series debuted on October 14, 2007 and has subsequently become one of the longest-running reality television series in the country. The fourteenth season of the series will premiere on October 1, 2017.
Document 10: American Idol (season 13): The thirteenth season of "American Idol", styled as American Idol XIII, premiered on the Fox television network on January 15, 2014. Ryan Seacrest returned as host for his thirteenth season. Keith Urban was the only judge from the twelfth season to return. Former judge Jennifer Lopez, who returned after one season absence, and Harry Connick, Jr. joined the judging panel following the departures of Mariah Carey, Nicki Minaj and Randy Jackson.
Document 11: Jon Nite: Jon Nite (born in Amarillo, Texas) is a CMA and ACM award winning singer/songwriter who has written 14 top ten hits for American music's top artists. Jon's songs have been recorded Tim McGraw, Chris Young, Dierks Bentley, Blake Shelton, Keith Urban, David Nail, Luke Bryan, Kenny Chesney, Phillip Phillips, Chase Rice, Jake Owen, Michael Ray, Adam Craig, Darius Rucker, Gloriana, and many more. Teaming with EMI/SONY ATV, Jon has found a radio home with hits like “What Ever She’s Got” by David Nail, “Smoke” by A Thousand Horses, “We Were Us” by Keith Urban and Miranda Lambert, “Beachin” by Jake Owen, “Strip It Down”by Luke Bryan, “Break On Me” by Keith Urban, "Noise" by Kenny Chesney, “Think A Little Less” by Michael Ray, “If I Told You” by Darius Rucker and Boy (Lee Brice song), by Lee Brice.
Document 12: American Idol (season 14): The fourteenth season of "American Idol", also known as American Idol XIV, premiered on the Fox television network on January 7, 2015. Ryan Seacrest continues his role as host, while Jennifer Lopez, Keith Urban and Harry Connick, Jr. returned for their respective fourth, third and second times as judges. Randy Jackson stepped down as mentor, being replaced by Scott Borchetta. Long-time sponsor Coca-Cola ended its relationship with the show. This was the fourth season to have an all-male finale and the third season where the final two contestants had never been in the bottom group prior to the finale.
Document 13: Jenny Lewis: Jennifer Diane "Jenny" Lewis (born January 8, 1976) is an American singer-songwriter, musician, and actress. She was the lead singer and rhythm guitarist for the indie rock band Rilo Kiley, and has released three solo albums; "Rabbit Fur Coat" (2006), "Acid Tongue" (2008) and "The Voyager" (2014). She performed as part of the duo Jenny & Johnny with then boyfriend Johnathan Rice and is currently a member of the rock trio Nice As Fuck.
Document 14: Jenny Lewis discography: This is a comprehensive listing of official releases by Jenny Lewis, lead singer of the band Rilo Kiley.
Document 15: Ryan Seacrest: Ryan John Seacrest (born December 24, 1974) is an American radio personality, television host, and producer. Seacrest is known for hosting the competition show "American Idol", the syndicated countdown program "American Top 40", and the KIIS-FM morning radio show "On Air with Ryan Seacrest". He began co-hosting "Live with Kelly and Ryan" on a permanent basis May 1, 2017.
ground_truth: Ryan Seacrest