Question: When was the nephew of George Alexander born?

full_context: Document 1: Scott Young (writer): Scott Alexander Young (April 14, 1918 – June 12, 2005) was a Canadian journalist, sportswriter, novelist and the father of musicians Neil Young and Astrid Young. Over his career, Young wrote 45 books, including novels and non-fiction for adult and youth audiences.
Document 2: Can I Sit Next to You, Girl: "Can I Sit Next to You, Girl" is the debut single by Australian hard rock band AC/DC issued on 22 July 1974. On August 26, 1974, the song peaked at number 50 on the Aria charts and then disappeared. This version has lead vocals performed by Dave Evans prior to his being replaced by Bon Scott, as well as drums by ex-Masters Apprentices member Colin Burgess and bass guitar by ex-The Easybeats member George Young (older brother of band cofounders Malcolm Young & Angus Young; co-producer). Originally, AC/DC's first bassist, Larry Van Kriedt, played the bass parts, but George recorded his own over them later. In 1975, after Scott joined, the group re-wrote and re-recorded the song as the seventh track on their Australia-only album "T.N.T.", released in December 1975 (see 1975 in music), and as the sixth track on the international version of "High Voltage", released in May 1976. The title of this version of the song removed the comma, becoming "Can I Sit Next To You Girl".
Document 3: Grant Young (musician): Grant Young (born January 5, 1963, in Iowa City, Iowa) was the drummer for the alternative rock band Soul Asylum from 1984–1995. He replaced Pat Morley shortly after the release of Soul Asylum's debut album, "Say What You Will, Clarence...Karl Sold the Truck" in 1984. Young's last appearance on a Soul Asylum record album was the breakthrough album, "Grave Dancers Union". He was replaced in the middle of the recording sessions by Sterling Campbell, who has also since left the band and is primarily associated with David Bowie, as part of his touring bands.
Document 4: Stevie Young: Stephen Crawford Young (born 11 December 1956 in Glasgow, Scotland) is a Scottish musician, and the rhythm guitarist and backing vocalist for the Australian hard rock band, AC/DC. He officially joined the band in September 2014, replacing his uncle, Malcolm Young who retired due to dementia. He had previously filled in for Malcolm on AC/DC's 1988 U.S. tour.
Document 5: Bon Scott: Ronald Belford "Bon" Scott (9 July 1946 – 19 February 1980) was an Australian singer and songwriter, best known for being the lead vocalist and lyricist of the Australian hard rock band AC/DC from 1974 until his death in 1980.
Document 6: Vanda &amp; Young: Vanda & Young were a songwriting/producing duo composed of Harry Vanda and George Young. They performed as members of 1960s Australian rock group The Easybeats where Vanda was their lead guitarist and backing singer and Young was their rhythm guitarist and backing singer. Vanda & Young co-wrote most of The Easybeats later hits including their international hit "Friday on My Mind" and they were the record producers for the group from 1967. Young is the older brother of Malcolm and Angus Young of the hard rock band AC/DC, being the record producer behind several of the band's biggest albums (such as 1976's "Dirty Deeds Done Dirt Cheap").
Document 7: George Young (Scottish footballer): George Lewis Young (27 October 1922 – 10 January 1997) was a Scottish footballer, best remembered for his association with Rangers and for being the first player to receive more than 50 caps for the Scotland national team.
Document 8: Brian Johnson: Brian Francis Johnson (born 5 October 1947) is an English singer and songwriter. In 1980, he became the third lead singer of the Australian rock band AC/DC, after the death of their second lead singer Bon Scott. He and the rest of the band were inducted into the Rock and Roll Hall of Fame in 2003. In March 2016, Johnson stepped down from touring on the Rock or Bust World Tour due to hearing problems. On 20 May 2016, Johnson stated in an interview "I've had a pretty good run" in AC/DC and implied that he might not be returning by saying "I'm just thankful, really, that I came out of it in one piece."
Document 9: Cliff Williams: Clifford Williams (born 14 December 1949) is a retired British musician who was a member of the Australian hard rock band AC/DC as their bassist and backing vocalist from 1977 to 2016. He had started his professional music career in 1967 and was previously in the British groups Home and Bandit. His first studio album with AC/DC was "Powerage" in 1978. The band, including Williams, was inducted into the American Rock and Roll Hall of Fame in 2003. Williams's playing style is noted for basic bass lines which follow the rhythm guitar. Williams' side projects, while a member of AC/DC, include benefit concerts and playing with Emir & Frozen Camels on their album "San" (2002) and a European tour. In 2016, Williams announced his retirement from the music industry after AC/DC's Rock or Bust World Tour.
Document 10: Rock or Bust: Rock or Bust is a studio album by Australian hard rock band AC/DC. It is their fifteenth internationally released studio album and the sixteenth to be released in Australia. It is the shortest studio album ever released by the band; at approximately 35 minutes, it is two minutes shorter than their previous shortest album, "Flick of the Switch", which was released in 1983. "Rock or Bust" also was the group's first album without founding member and rhythm guitarist Malcolm Young, who had retired from the band in 2014 due to health concerns, although he co-wrote every track on the album. Bass guitarist Cliff Williams has also retired since "Rock or Bust" was released, drummer Phil Rudd was unable to participate in the supporting tour after being sentenced to house arrest, and vocalist Brian Johnson was forced to exit the band after the fifth leg of the album's supporting tour as a result of hearing loss.
Document 11: Alexander Young (musician): Alexander Young (28 December 1938 – 4 August 1997), also known as George Alexander, was a Scottish singer, songwriter, saxophonist, bassist, guitarist and session musician. He is an elder brother of George Young, the rhythm guitarist and founding member of the Easybeats, as well as Malcolm and Angus Young, founding members of the Australian hard rock band AC/DC, and the younger brother of Stephen Young, the father of Stevie Young, who was also a member of AC/DC.
Document 12: George Young (rock musician): George Redburn Young (born 6 November 1946) is an Australian musician, songwriter and record producer. Born in Scotland, he moved to Australia with his family as a teenager, and became a naturalised citizen. He is best known as a member of the 1960s Australian rock band the Easybeats, and as a co-writer of the international hits "Friday on My Mind" and "Love Is in the Air", the latter recorded by John Paul Young (no relation). Young was also the producer of some work by the Australian hard rock band AC/DC, formed by his younger brothers Malcolm and Angus Young.
Document 13: List of AC/DC band members: AC/DC are an Australian hard rock band formed by guitarist brothers Angus and Malcolm Young in 1973. Originally featuring vocalist Dave Evans, bassist Larry Van Kriedt and drummer Colin Burgess, after a number of lineup changes the band settled with Bon Scott on vocals, Mark Evans on bass guitar and Phil Rudd on drums, and released five albums (two limited to Australia) between 1974 and 1977. Due to continuing clashes with lead guitarist Angus Young, Evans was later fired from the band shortly after the release of "Let There Be Rock", although "musical differences" was the official reason given for his departure. Cliff Williams was brought in as his replacement.
Document 14: List of awards and nominations received by AC/DC: AC/DC are a hard rock band formed in Sydney, Australia in 1973 by brothers Angus and Malcolm Young. Although the band are considered pioneers of heavy metal, its members have always classified their music as "rock 'n' roll". AC/DC underwent several line-up changes before releasing their first album, "High Voltage", in 1975. Membership remained stable until bassist Cliff Williams replaced Mark Evans in 1977. In 1979, the band recorded their highly successful album "Highway to Hell". Lead singer and co-songwriter Bon Scott died on 19 February 1980, after a night of heavy alcohol consumption. The group briefly considered disbanding, but soon ex-Geordie singer Brian Johnson was selected as Scott's replacement. Later that year, the band released their best-selling album, "Back in Black". The band's next album, "For Those About to Rock We Salute You", was also highly successful and was their first album to reach number one in the United States. AC/DC declined in popularity soon after the departure of drummer Phil Rudd in 1983. Poor record sales continued until the release of "The Razors Edge" in 1990. Phil Rudd returned in 1994 and contributed to the band's 1995 album "Ballbreaker". "Stiff Upper Lip" was released in 2000 and was well received by critics. The band's new album "Black Ice" was announced in June 2008 and was released on October 20, 2008. The album's first single, "Rock 'N Roll Train", earned AC/DC a Grammy nomination for Best Rock Group or Duo with Vocals. Another "Black Ice" track, "War Machine," gained AC/DC their first Grammy Award win, for Best Hard Rock Performance.
Document 15: Angus Young: Angus McKinnon Young (born 31 March 1955) is an Australian guitarist, best known as the co-founder, lead guitarist, songwriter and sole constant original member of the Australian hard rock band AC/DC. He is known for his energetic performances, schoolboy-uniform stage outfits and his own version of Chuck Berry's duckwalk. Young was ranked 24th in "Rolling Stone" magazine's 100 greatest guitarists of all-time list.
ground_truth: 11 December 1956