Question: In what season was the composer of Endless Love a guest judge on American Idol?

full_context: Document 1: American Idol: Beginning in the tenth season[citation needed], permanent mentors were brought in during the live shows to help guide the contestants with their song choice and performance. Jimmy Iovine was the mentor in the tenth through twelfth seasons, former judge Randy Jackson was the mentor for the thirteenth season and Scott Borchetta was the mentor for the fourteenth and fifteenth season. The mentors regularly bring in guest mentors to aid them, including Akon, Alicia Keys, Lady Gaga, and current judge Harry Connick, Jr..
Document 2: Lea Salonga: At age 18, she originated the lead role of Kim in the musical "Miss Saigon", first in the West End and then on Broadway, winning the Olivier and Theatre World Awards, and becoming the first Asian woman to win a Tony Award. Salonga is the first Filipino artist to sign with an international record label (Atlantic Records in 1993).
Document 3: 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 4: List of awards and nominations received by R. Kelly: The Grammy Awards are awarded annually by the National Academy of Recording Arts and Sciences. Kelly has won three awards from 25 nominations. ``Lean On Me ''by Kirk Franklin, which features Kelly, has been nominated for three awards, only one is featured; the other two (Song of The Year and Best R&B Song) are for the songwriter Franklin. Other songs that Kelly has worked on, written and that have been nominated for a Grammy are: Best Pop Vocal Performance (`` You Are Not Alone''), Best R&B Male Vocalist (``Fortunate ''and`` When You Call On Me''),
Document 5: 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 6: Endless Love (song): ``Endless Love ''is a song written by Lionel Richie and originally recorded as a duet between Richie and fellow soul singer Diana Ross. In this ballad, the singers declare their`` endless love'' for one another. It was covered by soul singer Luther Vandross with R&B singer Mariah Carey and also by country music singer Shania Twain. Richie's friend (and sometimes co-worker) Kenny Rogers has also recorded the song. Billboard has named the original version as the greatest song duet of all - time.
Document 7: My Love (Lionel Richie song): "My Love" is the title of a 1983 hit song by the American singer-songwriter Lionel Richie. It was the third single released off Richie's self-titled debut solo album. The song features harmony backing vocals by country music singer Kenny Rogers. It reached the Top 10 on three notable "Billboard" magazine charts in the spring of 1983: on the pop chart, the song peaked at # 5; on the adult contemporary chart, the song spent four weeks at # 1; and on the R&B chart, the song topped out at # 6. "My Love" was not among Richie's more successful singles in the United Kingdom, where it only managed # 70 on the UK Singles Chart. In Canada in peaked on the RPM Singles chart at #28.
Document 8: American Idol: Guest judges may occasionally be introduced. In season two, guest judges such as Lionel Richie and Robin Gibb were used, and in season three Donna Summer, Quentin Tarantino and some of the mentors also joined as judges to critique the performances in the final rounds. Guest judges were used in the audition rounds for seasons four, six, nine, and fourteen such as Gene Simmons and LL Cool J in season four, Jewel and Olivia Newton-John in season six, Shania Twain in season eight, Neil Patrick Harris, Avril Lavigne and Katy Perry in season nine, and season eight runner-up, Adam Lambert, in season fourteen.
Document 9: Grammy Award records: Taylor Swift is the youngest artist to win Album of the Year. She was 20 years old when she won in 2010 for her album Fearless.
Document 10: 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 11: Dương Triệu Vũ: When he was 13 years old, he participated in the video recording Van Son 9 with the song "Killing Me Softly with His Song". While in high school, he regularly participated in school musical productions, and in year 11, he became the first Asian student at his high school to become the Vice President of the student body. He received various awards, including the United States Achievement Academy, American Legion Award, and was one of 70 students at the school to take the International Baccalaureate. During this time, he also performed with Fantasy, a popular band in Orlando.
Document 12: 3rd Youth in Film Awards: Although the Youth in Film Awards were conceived as a way to primarily recognize youth performers under the age of 21, the eldest winner in a competitive category at the 3rd annual ceremony was Lionel Richie who was 32 years old on the night he won as "Best Young Musical Recording Artist - Male" for his song "Endless Love" from the soundtrack for the motion picture "Endless Love".
Document 13: Hey Ya!: ``Hey Ya! ''is a song written and produced by André 3000 for his 2003 album The Love Below, part of the hip hop duo OutKast's double album Speakerboxxx / The Love Below.`` Hey Ya!'' takes influence from funk, rap and rock music. Its music video features a live performance by a band, all eight of whose members are played by André 3000, that mimics the Beatles' 1964 performance on The Ed Sullivan Show. The song received praise from contemporary music critics, and won the award for Best Urban / Alternative Performance at the 46th Grammy Awards. His version of the song has also appeared on the soundtrack of Flight of the Phoenix (2004). The song was also featured on the 2004 compilation album Now That's What I Call Music! 16 and was performed at the 2004 Nickelodeon Kids' Choice Awards.
Document 14: American Idol: With the exception of seasons one and two, the contestants in the semifinals onwards perform in front of a studio audience. They perform with a full band in the finals. From season four to season nine, the American Idol band was led by Rickey Minor; from season ten onwards, Ray Chew. Assistance may also be given by vocal coaches and song arrangers, such as Michael Orland and Debra Byrd to contestants behind the scene. Starting with season seven, contestants may perform with a musical instrument from the Hollywood rounds onwards. In the first nine seasons, performances were usually aired live on Tuesday nights, followed by the results shows on Wednesdays in the United States and Canada, but moved to Wednesdays and Thursdays in season ten.
Document 15: American Idol: The fourteenth season premiered on January 7, 2015. Ryan Seacrest returned to host, while Jennifer Lopez, Keith Urban and Harry Connick, Jr. returned for their respective fourth, third and second seasons as judges. Eighth season runner-up Adam Lambert filled in for Urban during the New York City auditions. Randy Jackson did not return as the in-house mentor for this season.
ground_truth: season two
sub_queries: Endless Love >> composer Answer: Lionel Richie
In what season was Lionel Richie a guest judge on American Idol? Answer: season two