Question: Which executive producer of the album Invincible was born on 7 October 1959 ?

Context paragraphs:
Simon Cowell: Simon Phillip Cowell ( ) (born 7 October 1959) is an English reality television judge and producer, entrepreneur, and philanthropist.  He is most recognised as a judge on the British TV talent competition series "Pop Idol", "The X Factor", and "Britain's Got Talent", and the American TV talent competition shows "American Idol", "The X Factor," and "America's Got Talent".  Cowell is the principal founder and chief executive of the British entertainment company Syco.

Garry Thompson (footballer, born 1959): Garry Thompson (born 7 October 1959) is an English former professional footballer and football manager, who played as a striker.  His younger brother, Keith Thompson, was also a professional footballer.

Invincible (Five album): Invincible is the second studio album released by English boy band Five.  The album was released in the United Kingdom by RCA Records on 8 November 1999, and was later released in the United States on 16 May 2000.  Four singles were released from "Invincible", including the UK chart-toppers "Keep on Movin'" and "We Will Rock You".  The album was executively produced by Simon Cowell and Richard "Biff" Stannard.

Aykut Yiğit: Aykut Yiğit (7 October 1959 – 7 September 2002) was a Turkish professional football player who played as a striker, and a football manager until his death.

Addie MS: Addie Muljadi Sumaatmadja (born 7 October 1959), better known as Addie MS, is an Indonesian conductor.  He currently directs the Twilite Orchestra, which he founded in 1991.

Guido Grabow: Guido Grabow (born 7 October 1959 in Opladen) is a German rower.  Together with his brother Volker he was a top rower in the coxless four.

Florian Homm: Florian Homm (born 7 October 1959) is a German former businessman and investment banker.  Charged with investment fraud in the U.S., he disappeared in 2007.  He was arrested in Italy in 2013 and faced extradition to the United States.  He was subsequently released and currently resides in Germany.

Martin Knosp: Martin Knosp (born 7 October 1959 in Renchen) is a German former wrestler who competed in the 1984 Summer Olympics.

Alexander Galbraith: Alexander Galbraith (15 February 1883–7 October 1959) was a New Zealand labourer, railway worker, trade unionist, communist and timber worker.  He was born on 15 February 1883.

Vera Chuvashova: Vera Chuvashova (Russian: Вера Чувашова ; born 7 October 1959) is a Russian former middle-distance runner who competed in the 1500 metres.  She set personal bests of 1:58.12 minutes for the 800 metres and 4:05.73 minutes for the 1500 m.  She represented Russia at the 1993 World Championships in Athletics.

Supporting paragraphs: Invincible (Five album) Simon Cowell
Answer: Simon Cowell