Question: Who is the father of the singer-songwriter who had a compilation album called Acoustic?

full_context: Document 1: Julia Baird: Julia Baird (née Dykins; born 5 March 1947) is a British retired teacher and author. She is the younger half-sister of English musician John Lennon, and is the eldest daughter of his mother Julia Lennon (12 March 1914 – 15 July 1958) and John 'Bobby' Albert Dykins (1918 – December 1965). She also has an older half-sister, Ingrid Pedersen. Her younger sister is Jacqueline 'Jackie' Dykins (born 26 October 1949).
Document 2: Julia Murdock Smith: Julia Murdock Smith Dixon Middleton (May 1, 1831 – September 12, 1880) was an early member of the Latter Day Saint movement and the eldest surviving child and only daughter of Joseph Smith and Emma Hale Smith. She was adopted by the Smiths.
Document 3: Julia Lennon: Julia Lennon (née Stanley; 12 March 1914 – 15 July 1958) was the mother of English musician John Lennon, who was born during her marriage to Alfred Lennon. After complaints to Liverpool's Social Services by her eldest sister, Mimi Smith (née Stanley), she handed over the care of her son to her sister. She later had one daughter after an affair with a Welsh soldier, but the baby was given up for adoption after pressure from her family. She then had two daughters, Julia and Jackie, with John 'Bobby' Dykins. She never divorced her husband, preferring to live as the common-law wife of Dykins for the rest of her life.
Document 4: Acoustic Visions: Acoustic Visions is the sixth solo album by electric guitar player David T. Chastain. This album is notable because it is the first album by David T. Chastain to be entirely recorded with acoustic guitars. Chastain also mixed, engineered, digitally edited, sequenced, and produced the album himself.
Document 5: Acoustic (John Lennon album): Acoustic is a compilation album of John Lennon demos, studio and live performances that feature his acoustic guitar work and was released in 2004.
Document 6: Imagine (John Lennon album): Imagine is the second studio album by John Lennon after his departure from the Beatles. Recorded and released in 1971, the album's musical arrangements are more elaborate compared to the basic, small-group arrangements of his first album, "John Lennon/Plastic Ono Band".
Document 7: My Worlds Acoustic: My Worlds Acoustic is the first remix album by Canadian recording artist Justin Bieber. It was released on November 26, 2010 and was initially sold exclusively at Walmart retail stores and Sam's Club. The album features nine acoustic versions of songs from his debut extended play, "My World" (2009), and first album "My World 2.0" (2010), as well as a new song "Pray". The new versions of the songs were produced by Bieber's music director, Dan Kanter, his vocal producer Kuk Harrell, and also producer Rob Wells. Internationally, the set is included as a part of the compilation album, "" (2010), which included songs from the previous two releases. "My Worlds Acoustic" was released to iTunes, on February 8, 2011.
Document 8: She's Always a Woman: The song was released in 1977, following several other hits from The Stranger including ``Just the Way You Are '',`` Movin 'Out (Anthony's Song)'' and ``Only the Good Die Young ''. Musically, Joel has said that he was influenced by Gordon Lightfoot and his mellow acoustic guitar ballads. It is a love song that Joel wrote for his then wife, Elizabeth Weber. Elizabeth had taken over management of Joel's career, and was able to put his financial affairs in order after Joel had signed some bad deals and contracts. She was a tough and savvy negotiator who could`` wound with her eyes'' or ``steal like a thief '', but would`` never give in''. Because of her tough - as - nails negotiating style, many business adversaries thought she was ``unfeminine, ''but to Joel, she was always a woman. The two eventually divorced in 1982.
Document 9: Johanna von Trapp: Johanna von Trapp married Ernst Florian Winter on Easter Monday in 1948 and changed her middle name to Franziska. She had seven children: Ernst Leopold (1949–1969), Florian Stefan (1951), Johanna Maria (1952), Notburga Maria (1953), Hemma Maria (1956 ), Agathe (1957 ) and Severin (1959 ). She lived with her family – four daughters and three sons – in both the United States (West Nyack, NY) and Austria (Salzburg, Schloss Eichbuechl N.O.). With Ernst Florian, she raised her children in an organic homesteading tradition incorporating her rich European heritage into family life. She was known for her hosting, cooking and preparing feast day meals that often were shared with upwards of 50 guests. Her indomitable go-to spirit and ability to persevere through the loss of her oldest son from a car accident, showed her strength and resilience. She was known to her children as the story teller of her childhood life in the von Trapp family. Approaching life with a great sense of humor and faith, carried her throughout her life.
Document 10: Lennon Bermuda: Lennon Bermuda is a tribute album and book inspired by John Lennon’s visit to Bermuda in 1980, where he wrote a portion of his "Double Fantasy" album. The "Lennon Bermuda" boxed set comprises two discs by various artists with a connection to Bermuda, including Yoko Ono, covering Lennon songs. There is also a book by author Scott Neil, illustrated by artist Graham Foster, describing Lennon’s stay on the island.
Document 11: Mother (John Lennon song): "Mother" is a song by English musician John Lennon, first released on his 1970 album "John Lennon/Plastic Ono Band". An edited version of the song was issued as a single in the United States on Apple Records, on 28 December 1970. The single edit runs 1:41 shorter than the album due to removing the tolling bells that start the song and a quicker fade-out. The B-side features "Why" by Yoko Ono. The song peaked in the United States at number 19 on the "Cashbox" Top 100 and number 43 on the "Billboard" Hot 100.
Document 12: Evelyn Einstein: Einstein was born in Chicago; after her birth she was adopted by Hans Albert Einstein. Towards the end of her life, she recounted that as a child she was told she was an illegitimate daughter of Albert Einstein and a ballet dancer; however, she had no documentation supporting this claim. She obtained a Master's degree in Medieval literature at University of California, Berkeley. She was married to Grover Krantz for 13 years from 1964 to about 1977. She then worked briefly as an animal control officer, as a cult deprogrammer, and as a Berkeley, California, reserve police officer.
Document 13: Milk and Honey (album): Milk and Honey is the sixth and final album by John Lennon and Yoko Ono released in 1984. Following the compilation "The John Lennon Collection", it is Lennon's eighth and final studio album, and the first posthumous release of new Lennon music, having been recorded in the last months of his life during and following the sessions for his 1980 album "Double Fantasy". It was assembled by Yoko Ono in association with the Geffen label.
Document 14: Lennon Legend: The Very Best of John Lennon: Lennon Legend: The Very Best of John Lennon is the third official compilation album of John Lennon's solo career, coming after 1975's "Shaved Fish" and 1982's "The John Lennon Collection". Because neither collection spanned Lennon's releases up to and including 1984's "Milk and Honey", "Lennon Legend: The Very Best of John Lennon" – considered the definitive Lennon retrospective – was compiled to rectify the situation. It was released in the UK in 1997 through Parlophone and early 1998 in the US by EMI Records.
Document 15: The Body Acoustic: The Body Acoustic is a compilation album released by American singer Cyndi Lauper in 2005. It consists of ten previously released tracks which have been re-recorded and re-arranged acoustically, as well as two new songs. The album title is a play on Walt Whitman's poem "I Sing the Body Electric", with the word "body" in this case referring to Lauper's body of work as a recording artist. The album features a number of guest artists, including Adam Lazzara, Shaggy, Sarah McLachlan, Jeff Beck, Vivian Green, Ani DiFranco, and Puffy AmiYumi.
ground_truth: Alfred Lennon
sub_queries: Acoustic >> performer Answer: John Lennon
John Lennon >> father Answer: Alfred Lennon