Question: In what season was the writer of Easy Like Sunday Morning a guest judge on American Idol?

full_context: Document 1: Just the Way You Are (Billy Joel song): ``Just the Way You Are ''Side - A label of U.S. vinyl single Single by Billy Joel from the album The Stranger B - side`` Get It Right the First Time'' Released September 1977 Format 7 - inch single Recorded 1977 Genre Soft rock Length 4: 47 (Album version) 3: 36 (Single version) Label Columbia Songwriter (s) Billy Joel Producer (s) Phil Ramone Billy Joel singles chronology ``The Entertainer ''(1974)`` Just the Way You Are'' (1977) ``Movin 'Out (Anthony's Song) ''(1977) Alternative release Dutch vinyl single
Document 2: 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 3: American Idol: Once in Hollywood, the contestants perform individually or in groups in a series of rounds. Until season ten, there were usually three rounds of eliminations in Hollywood. In the first round the contestants emerged in groups but performed individually. For the next round, the contestants put themselves in small groups and perform a song together. In the final round, the contestants perform solo with a song of their choice a cappella or accompanied by a band‍—‌depending on the season. In seasons two and three, contestants were also asked to write original lyrics or melody in an additional round after the first round. In season seven, the group round was eliminated and contestants may, after a first solo performance and on judges approval, skip a second solo round and move directly to the final Hollywood round. In season twelve, the executive producers split up the females and males and chose the members to form the groups in the group round.
Document 4: 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 5: Just the Way You Are (Billy Joel song): ``Just the Way You Are ''Side - A label of U.S. vinyl single Single by Billy Joel from the album The Stranger B - side`` Get It Right the First Time'' Released September 1977 Format 7 - inch single Recorded 1977 Genre Soft rock Length 4: 47 (Album version) 3: 36 (Single version) Label Columbia Songwriter (s) Billy Joel Producer (s) Phil Ramone Billy Joel singles chronology ``The Entertainer ''(1974)`` Just the Way You Are'' (1977) ``Movin 'Out (Anthony's Song) ''(1977)`` The Entertainer'' (1974) ``Just the Way You Are ''(1977)`` Movin' Out (Anthony's Song)'' (1977) Alternative release Dutch vinyl single
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: Easy (Commodores song): ``Easy ''is a song by Commodores for the Motown label, from their fifth studio album, Commodores. Released in March 1977,`` Easy'' reached # 1 on the Billboard R&B chart, and # 4 on the Billboard Hot 100. The success of ``Easy ''paved the way for similar Lionel Richie - composed hit ballads such as`` Three Times a Lady'' and ``Still '', and also for Richie's later solo hits.
Document 8: Easy (Marvin Gaye and Tammi Terrell album): Easy is an album recorded by Marvin Gaye and Tammi Terrell, and released by Motown Records on September 16, 1969 under the Tamla Records label. One song on the album, "Good Lovin' Ain't Easy To Come By", was a hit single and remains popular to this day. Terrell had been ill, suffering from complications caused by a brain tumor, since the fall of 1967. Marvin Gaye later claimed that as a result, most of the female vocals on this album were performed by Valerie Simpson, who served as co-songwriter and co-producer for the LP with her boyfriend and future husband Nickolas Ashford.
Document 9: All Night Long (All Night): ``All Night Long (All Night) ''7'' cover Single by Lionel Richie from the album Ca n't Slow Down B - side`` Wandering Stranger ''Released August 31, 1983 Format 7 ``, 12'' Length 4: 20 (Single edit) 6: 19 (Album version) Label Motown Songwriter (s) Lionel Richie Producer (s) Lionel Richie James Anthony Carmichael Lionel Richie singles chronology`` My Love ''(1983) ``All Night Long (All Night)'' (1983)`` Running with the Night ''(1983) ``My Love'' (1983)`` All Night Long (All Night) ''(1983) ``Running with the Night'' (1983)
Document 10: 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 11: Easy (Commodores song): ``Easy ''A-side label of 1977 U.S. vinyl single Single by Commodores from the album Commodores B - side`` Ca n't Let You Tease Me'' Released March 18, 1977 (1977 - 03 - 18) Format 45 rpm record Recorded 1977 Genre Soul Length 3: 58 (single version) 4: 14 (album version) Label Motown Songwriter (s) Lionel Richie Producer (s) James Anthony Carmichael Commodores Commodores singles chronology ``Fancy Dancer ''(1977)`` Easy'' (1977) ``Brick House ''(1977)
Document 12: 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 13: Let's Get It On (song): ``Let's Get It On ''is a song and hit single by soul musician Marvin Gaye, released June 15, 1973, on Motown - subsidiary label Tamla Records. The song was recorded on March 22, 1973, at Hitsville West in Los Angeles, California. The song features romantic and sexual lyricism and funk instrumentation by The Funk Brothers. The title track of Gaye's landmark 1973 album of the same name, it was written by Marvin Gaye and producer Ed Townsend.`` Let's Get It On'' became Gaye's most successful single for Motown and one of his most well - known songs. With the help of the song's sexually explicit content, ``Let's Get It On ''helped give Gaye a reputation as a sex icon during its initial popularity.
Document 14: 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 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: who wrote the song easy like sunday morning Answer: Lionel Richie
In what season was Lionel Richie a guest judge on American Idol? Answer: season two