Question: In what year was the older brother of Michael Schenker born?

Context paragraphs:
Arachnophobiac: Arachnophobiac is the eighth studio album released in 2003 by the German hard rock band Michael Schenker Group.  After exiting UFO, rumors spread about Schenker's health and well-being.  But the longtime guitar hero silenced his doubters with an extensive tour, as well as an all-new solo release.  The album was recorded with Michael Schenker on guitars, Chris Logan on vocals, Stuart Hamm on bass guitar and Jeremy Colson on drums.

Michael Schenker: Michael Schenker (born Michael Willy Schenker, 10 January 1955) is a German rock guitarist, best known for his tenure in UFO, in addition to his solo band.  Nicknamed the "Blonde Bomber", he first rose to fame as an early member of Scorpions, then achieved fame in the mid-1970s as the lead guitar player for UFO.  Since leaving UFO in 1978, he has been leading the Michael Schenker Group in various incarnations.  He has rejoined UFO three times, producing an album each time.  He is the younger brother of Rudolf Schenker, who is still a guitarist with Scorpions.  His career has had many ups and downs, partly due to a long history of alcoholism and personal problems; still, Schenker continues to perform and record.  He has been called "a legendary figure in the history of metal guitar."

Written in the Sand: Written in the Sand is a studio album by the Michael Schenker Group, the first group effort after the McAuley Schenker era.  Re-energized by the short-lived reunion with UFO and by the recording of "Walk on Water", Michael Schenker collected yet another group of players, cxomposed of Leif Sundin on vocals, Shane Gaalaas on drums, and Barry Sparks on bass.  They recorded "Written in the Sand", an energetic and heavy release reminiscent of the earliest and best known Michael Schenker Group albums.

Built to Destroy: Built to Destroy is the fourth album by the Michael Schenker Group (MSG).  Gary Barden returned to the group on vocals following the departure of Graham Bonnet amidst tensions with Michael Schenker.  This was the band's final studio album prior to their disbanding, and Schenker moving on to form the McAuley Schenker Group with vocalist Robin McAuley.  New material released under the Michael Schenker Group name would not appear for over a decade.

Andy Nye: Andy Dane Nye (born 8 April 1959, in London, England) is an English musician, songwriter and record producer, as well as being a member of the rock band The Michael Schenker Group at their peak in the 1980s.  During a long and productive career he has played keyboards for Sheena Easton, Barbara Dickson, Toyah Willcox, Chris Farlowe, Gerard Kenny, Dennis Waterman, Princess Stephanie of Monaco, Jahn Teigen, The Kick, After Hours and Mainland.  His songs have been recorded by artists such as Roger Daltrey, Asia, The Michael Schenker Group, Ten Years After, Chris Farlowe, John Entwistle, Colin Blunstone and The Zombies.

McAuley Schenker Group: McAuley Schenker Group was a multi-national band featuring core members Robin McAuley (vocals) and Michael Schenker (guitar), a successor (and eventual predecessor) to Schenker's earlier band Michael Schenker Group.  McAuley was initially contacted to replace singer Gary Barden in MSG.  However, the strong partnership immediately formed between McAuley and Schenker led to the change of the name from Michael Schenker Group to McAuley Schenker Group, retaining the same initials of the previous band MSG.

The Michael Schenker Story Live: The Michael Schenker Story Live is a live album by the hard rock band Michael Schenker Group, released in May 1997 through Michael Schenker's own record company.

Rudolf Schenker: Rudolf Schenker (born 31 August 1948 in Hildesheim, Lower Saxony) is a German guitarist and founding member of the hard rock band Scorpions, being the rhythm/lead guitarist and one of the main songwriters of the band.

&quot;Unplugged&quot; Live: "Unplugged" Live is a live album by the McAuley Schenker Group, recorded in California, during a tour with a completely acoustic set.  Michael Schenker released this live album at the height of "unplugged" mania in the early 1990s, revising his blistering guitar antics as reflective, nylon-string, semi-classical ballads.  The album features Shark Island guitarist Spencer Sercombe on second guitar and backing vocals. " "Unplugged" Live" is the final release of the McAuley Schenker Group, which disbanded in 1993; Robin McAuley got married and retired from the music scene for a few years, while Michael Schenker began working on instrumental solo projects.

Michael Schenker Group: The Michael Schenker Group (often abbreviated as MSG) is a guitar-oriented hard rock band formed in 1979 by former Scorpions and UFO guitarist, Michael Schenker.  In 1986, Schenker and vocalist Robin McAuley formed the McAuley Schenker Group, which lasted until 1993.  After that, in 1996 the Michael Schenker Group was reformed.

Supporting paragraphs: Michael Schenker Rudolf Schenker
Answer: 1948