question: What year was the bass singer, who last appeared on the Boyz II Men album "Full Circle," born?
answer: 1971
context: Title: Love (Boyz II Men album)
  Passage: Love is a 2009 covers album by R&B group Boyz II Men.  Like their , it was produced by "American Idol's" Randy Jackson and Boyz II Men.  This is their third cover album, following "Throwback, Vol.  1" and "", which were released in 2004 and 2007 respectively.  The album is composed of popular love songs of the past.  It also features a collaboration with Michael Bublé.  The demo version of "Back for Good" was originally recorded with Irish singer, Nadine Coyle.  The album sold 15,000 copies its first week.
  Title: Full Circle (Boyz II Men album)
  Passage: Full Circle is the fifth album by R&B group Boyz II Men and their only release on Arista Records.  Featuring the singles "The Color of Love", written by Babyface and "Relax Your Mind" featuring Faith Evans, "Full Circle" was the last Boyz II Men album to include bass singer Michael McCary.
  Title: Michael McCary
  Passage: Michael "Mike" Sean McCary (born December 16, 1971) is an American singer who is best known as the former bass singer of the R&B group Boyz II Men.
citations: Full Circle (Boyz II Men album) Michael McCary