Question: Which song credited to Lennon-McCartney was featured in the Beatles' television film "Magic Mystery Tour?"

full_context: Document 1: Back in the U.S.S.R.: "Back in the U.S.S.R." is a song by the Beatles. It is credited to the songwriting partnership Lennon–McCartney, but written by Paul McCartney. The song opens the 1968 double-disc album "The Beatles" (also known as the "White Album"), and then segues into "Dear Prudence".
Document 2: Yellow Submarine (album): Yellow Submarine is the tenth studio album by English rock band the Beatles, released on 13 January 1969 in the United States and on 17 January 1969 in the United Kingdom. It was issued as the soundtrack to the animated film of the same name, which premiered in London in July 1968. The album contains six songs by the Beatles, including four new songs and the previously released "Yellow Submarine" (1966) and "All You Need Is Love" (1967). The remainder of the album was a re-recording of the film's orchestral soundtrack by the band's producer, George Martin.
Document 3: Get Back: "Get Back" is a song recorded by the Beatles and written by Paul McCartney (though credited to Lennon-McCartney), originally released as a single on 11 April 1969 and credited to "The Beatles with Billy Preston." A different mix of the song later became the closing track of "Let It Be" (1970), which was the Beatles' last album released just after the group split. The single version was later issued on the compilation albums "1967–1970", "20 Greatest Hits", "Past Masters", and "1".
Document 4: The Beatles (album): The Beatles, also known as the White Album, is the ninth studio album by English rock group the Beatles, released on 22 November 1968. A double album, its plain white sleeve has no graphics or text other than the band's name embossed, which was intended as a direct contrast to the vivid cover artwork of the band's earlier "Sgt. Pepper's Lonely Hearts Club Band". Although no singles were issued from "The Beatles" in Britain and the United States, the songs "Hey Jude" and "Revolution" originated from the same recording sessions and were issued on a single in August 1968. The album's songs range in style from British blues and ska to tracks influenced by Chuck Berry and by Karlheinz Stockhausen.
Document 5: Lucy in the Sky with Diamonds: "Lucy in the Sky with Diamonds" is a song credited to Lennon–McCartney that appears on the Beatles' 1967 album "Sgt. Pepper's Lonely Hearts Club Band". It was started by John Lennon, then Paul McCartney contributed to it in a songwriting session. Lennon's son Julian inspired the song with a nursery school drawing he called "Lucy—in the sky with diamonds". Shortly after the song's release, speculation arose that the first letter of each of the title nouns intentionally spelled "LSD". Lennon consistently denied this, insisting the song's fantastical imagery was inspired by Lewis Carroll's "Alice in Wonderland" books, a claim repeatedly confirmed by Paul McCartney.
Document 6: Goodbye (Mary Hopkin song): "Goodbye" is a song written by Paul McCartney (but credited to Lennon–McCartney) and performed by Mary Hopkin. It was released on 28 March 1969, and it reached No. 2 in the UK singles chart, prevented from reaching the top position by the Beatles' single "Get Back". In the US, released 7 April 1969, the song reached No. 13 on the singles chart. In the Netherlands the single peaked at No. 1.
Document 7: Lennon–McCartney: Lennon–McCartney was the songwriting partnership between English musicians John Lennon (9 October 19408 December 1980) and Paul McCartney (born 18 June 1942) of the Beatles. It is one of the best known and most successful musical collaborations in history, with the Beatles selling over 600 million records, tapes and CDs as of 2004. Between 1962 and 1969, the partnership published approximately 180 jointly credited songs, of which the vast majority were recorded by the Beatles, forming the bulk of their catalogue.
Document 8: Magical Mystery Tour (film): Magical Mystery Tour is a 52-minute-long British surreal comedy television film starring the Beatles (John Lennon, Paul McCartney, George Harrison and Ringo Starr) which originally aired on BBC1 on Boxing Day, 26 December 1967. Upon its initial showing, the film was poorly received by critics and audiences. The film received an American theatrical release in 1974 by New Line Cinema, and in select theatres worldwide in 2012 by Apple Films.
Document 9: Hello, Goodbye: "Hello, Goodbye" is a song by the English rock band the Beatles, written by Paul McCartney and credited to Lennon–McCartney. Backed by John Lennon's "I Am the Walrus", it was issued as a non-album single in November 1967, the group's first release since the death of their manager, Brian Epstein. The single was commercially successful around the world, topping charts in the United States, the United Kingdom, Canada, Australia and several other countries.
Document 10: Yesterday (Beatles song): "Yesterday" is a song by the English rock band the Beatles, written by Paul McCartney (credited to Lennon–McCartney), and first released on the album "Help!" in the United Kingdom in August 1965.
Document 11: Let It Be (song): "Let It Be" is a song by the English rock band the Beatles, released in March 1970 as a single, and (in an alternate mix) as the title track of their album "Let It Be". At the time, it had the highest debut on the "Billboard" Hot 100, beginning its chart run at number 6. It was written and sung by Paul McCartney. It was their final single before McCartney announced his departure from the band. Both the "Let It Be" album and the US single "The Long and Winding Road" were released after McCartney's announced departure from and the subsequent break-up of the group.
Document 12: Paul McCartney: Sir James Paul McCartney, {'1': ", '2': ", '3': ", '4': "} (born 18 June 1942) is an English singer-songwriter, multi-instrumentalist, and composer. He gained worldwide fame as the bass guitarist and singer for the rock band the Beatles, widely considered the most popular and influential group in the history of pop music. His songwriting partnership with John Lennon is the most celebrated of the post-war era. After the group disbanded in 1970, he pursued a solo career and formed the band Wings with his first wife, Linda, and Denny Laine.
Document 13: Mellow Dubmarine: Mellow Dubmarine is a double album featuring reggae covers of various Beatles songs. A handful of Wings, Paul McCartney, John Lennon and George Harrison solo tracks are also featured. The tracks compiled were apparently recorded between the late 1960s and 2000. Several songs are covered by more than one artist - for example, there are three versions of "Let It Be". The album is hard to find in stores.
Document 14: I Am the Walrus: "I Am the Walrus" is a song by the Beatles released in November 1967. It was featured in the Beatles' television film "Magical Mystery Tour" ("MMT") in December of that year, as a track on the associated British double EP of the same name and its American counterpart LP, and was the B-side to the number 1 hit single "Hello, Goodbye". Since the single and the double EP held at one time in December 1967 the top two slots on the British singles chart, the song had the distinction of being at number 1 and number 2 simultaneously.
Document 15: Yellow Submarine (song): "Yellow Submarine" is a 1966 song by the Beatles, written by Paul McCartney and John Lennon, with lead vocals by Ringo Starr. It was included on the "Revolver" (1966) album and issued as a single, coupled with "Eleanor Rigby". The single went to number one on every major British chart, remained at number one for four weeks, and charted for 13 weeks. It won an Ivor Novello Award "for the highest certified sales of any single issued in the UK in 1966". In the US, the song peaked at number two on the "Billboard" Hot 100 chart and became the most successful Beatles song to feature Starr as lead vocalist.
ground_truth: Hello, Goodbye