Question: Who is the child of Back in the World's performer?

full_context: Document 1: Get Back (film): Get Back is a 1991 concert film starring Paul McCartney that documents The Paul McCartney World Tour of 1989–1990. The film was directed by Richard Lester, in a return to his Beatles-related work, and was released by Carolco Pictures and New Line Cinema, through the Seven Arts joint venture.
Document 2: New (Paul McCartney song): "New" is a song written by Paul McCartney. It was originally recorded by McCartney and produced by English musician Mark Ronson for McCartney's sixteenth studio album "New", and appears as the sixth track on the album. After being released early on the iTunes Store as a track available to download from "New" on 28 August 2013, the song was released as a single on 2 September 2013 and available exclusively on Amazon.com. The single's premiere on 28 August was concurrent with the official reveal of "New" on the same day. The single gained heavy airplay on Japanese radio stations, where it became a number 4 hit on the Japan Hot 100.
Document 3: Ringo Starr and His All Starr Band Volume 2: Live from Montreux: Ringo Starr and His All Starr Band Volume 2: Live from Montreux is Ringo Starr's second official live album and was released in September 1993.
Document 4: Close At Hand: Close At Hand is the second EP by James McCartney, son of Paul and Linda McCartney. The EP was produced by David Kahne and Paul McCartney, and released on .
Document 5: Close to Home (band): Close to Home was an American post-hardcore band from Cincinnati, Ohio, that was formed in 2005. They have released two EPs (three mixed, one demo) and three full-length albums, "Picture Perfect"; their major label debut, "Never Back Down", which was released on February 15, 2011; and their most recent effort, "Momentum", which was released July 31, 2012 via Artery Recordings. Close to Home has toured across the United States and Europe with bands such as Silverstein, Emery, Dance Gavin Dance, In Fear and Faith, We Came as Romans, and Eskimo Callboy. They have also participated in 2010 and 2012's Scream It Like You Mean It tours. On December 10, 2010, they signed with Artery Recordings; however this contract has been fulfilled. The band was previously managed by Outerloop Management. Close to Home is commonly depicted as CTH.
Document 6: Getting Closer (song): "Getting Closer" is a rock song from the Anglo-American rock band Wings, Paul McCartney's post-Beatles band. The song was released on the album "Back to the Egg".
Document 7: Now and Live: Now & Live is a double CD compilation-like album released in 1997 by Paul Rodgers of Free and Bad Company fame. In fact, it is a re-release of the studio album "Now" including a disc of live material recorded in 1995 and issued on the album "".
Document 8: Matchbox Twenty: The group reunited and began performing during 2007, with the release of their 'retrospective' album Exile on Mainstream, on October 2, 2007. ``How Far We've Come ''was the first single from the new album, which was followed by the second single,`` These Hard Times''. ``Exile on Mainstream ''included four other new songs and a complete collection of all eleven of their previously released singles. The album was also released in the new MVI (Music Video Interactive) format, which included two video interviews discussing the six new songs and eleven greatest hits, plus extras including a photo gallery, U-MYX (to remix`` How Far We've Come''), buddy icons and wallpapers. ``How Far We've Come ''was released on the band's MySpace page in July 2007, with the video released on September 6, 2007. Matchbox Twenty toured during early 2008 with Alanis Morissette and opener Mutemath. The band began their US tour on January 25, 2008, in Hollywood, FL, and concluded in Las Vegas, NV, on March 18, 2008 before heading to Australia and New Zealand, where the Australian band Thirsty Merc was the supporting act. Following Australia, Matchbox Twenty visited the UK for the first time in five years to play six concerts in Cardiff, Wembley, Birmingham, Glasgow, and Manchester. Matchbox Twenty performed at the 2008 NASCAR Sprint Cup award ceremony.
Document 9: The Early Beatles: "The Early Beatles" is available on compact disc as part of "The Capitol Albums, Volume 2" boxed set (catalogue number CDP 0946 3 57498 2 3), in both mono and stereo. A second CD version of "The Early Beatles" with the songs in both stereo and true mono was issued in 2014 individually and part of the Beatles "The U.S. Albums" boxed set.
Document 10: Back in the World Live: Back in the World (subtitled "Live") is a live album by Paul McCartney composed of highlights from his spring 2002 "Driving USA" tour in the United States in support of McCartney's 2001 release "Driving Rain". It was released internationally in 2003, save for North America – where "Back in the U.S." saw issue four months earlier in 2002 – to commemorate his first set of concerts in almost ten years.
Document 11: Up and Coming Tour: The Up and Coming Tour was a concert tour by Paul McCartney. The tour began on 28 March 2010, at the Jobing.com Arena in Glendale, Arizona (Phoenix suburb), included two concerts at the Hollywood Bowl in Los Angeles, following with concerts in Miami and San Juan, the latter marking McCartney's first concert in Puerto Rico as well as the first presence of a Beatles member.
Document 12: Abandon (album): The album was followed by a successful 1998/1999 world tour which brought Deep Purple to Australia for the first time in 15 years. In 1999 a live album and DVD "" recorded in Melbourne on 20 April 1999 was released.
Document 13: I Saw Her Standing There: Paul McCartney -- lead vocals, bass, handclaps John Lennon -- rhythm guitar, harmony vocals, handclaps George Harrison -- lead guitar, handclaps Ringo Starr -- drums, handclaps
Document 14: Off the Ground (song): "Off the Ground" is a song by Paul McCartney and is from the album from the same name. The video can be seen on the DVD collection, "The McCartney Years". The video was shot by Industrial Light & Magic. Some behind the scenes footage can be seen on the out of print VHS, "Movin' On". The video features "Soggy Noodle", a short acoustic piece played as an intro which can be found as a B-side on the single release. In the US, it reached number 27 on the Adult Contemporary chart.
Document 15: Bringing It All Back Home: The album's cover, photographed by Daniel Kramer with an edge - softened lens, features Sally Grossman (wife of Dylan's manager Albert Grossman) lounging in the background. There are also artifacts scattered around the room, including LPs by The Impressions (Keep on Pushing), Robert Johnson (King of the Delta Blues Singers), Ravi Shankar (India's Master Musician), Lotte Lenya (Sings Berlin Theatre Songs by Kurt Weill) and Eric Von Schmidt (The Folk Blues of Eric Von Schmidt). Dylan had ``met ''Schmidt`` one day in the green pastures of Harvard University'' and would later mimic his album cover pose (tipping his hat) for his own Nashville Skyline four years later. A further record, Françoise Hardy's EP J'suis D'accord was on the floor near Dylan's feet but can only be seen in other shots from the same photo session.
ground_truth: James McCartney
sub_queries: Back in the World >> performer Answer: Paul McCartney
Paul McCartney >> child Answer: James McCartney