Question: Who is the wife of the man who produced the documentary of the pop star who influenced Beyonce?

Knowledge 1: Beyoncé
Beyoncé names Michael Jackson as her major musical influence. Aged five, Beyoncé attended her first ever concert where Jackson performed and she claims to have realised her purpose. When she presented him with a tribute award at the World Music Awards in 2006, Beyoncé said, "if it wasn't for Michael Jackson, I would never ever have performed." She admires Diana Ross as an "all-around entertainer" and Whitney Houston, who she said "inspired me to get up there and do what she did." She credits Mariah Carey's singing and her song "Vision of Love" as influencing her to begin practicing vocal runs as a child. Her other musical influences include Aaliyah, Prince, Lauryn Hill, Sade Adu, Donna Summer, Mary J. Blige, Janet Jackson, Anita Baker and Rachelle Ferrell. [SEP] Knowledge 2: Michael Jackson: The Life of an Icon
Michael Jackson: The Life of an Icon is a documentary film about pop singer Michael Jackson produced by his friend, David Gest. The film features footage of the beginning of The Jackson 5, Jackson's solo career and the child molestation accusations made against him. It also has interviews with Jackson's mother, Katherine, and siblings, Tito and Rebbie Jackson, as well as other artists—who were inspired by him and had met him before his death—including Whitney Houston, Smokey Robinson and Dionne Warwick. The film was released on DVD and Blu-ray on November 2, 2011. [SEP] Knowledge 3: Liza and David
Liza and David was a reality television series slated to air on VH1 in 2002, featuring Liza Minnelli and her then-husband, David Gest.
Knowledge 1: Michael Jackson: The Life of an Icon
Michael Jackson: The Life of an Icon is a documentary film about pop singer Michael Jackson produced by his friend, David Gest. The film features footage of the beginning of The Jackson 5, Jackson's solo career and the child molestation accusations made against him. It also has interviews with Jackson's mother, Katherine, and siblings, Tito and Rebbie Jackson, as well as other artists—who were inspired by him and had met him before his death—including Whitney Houston, Smokey Robinson and Dionne Warwick. The film was released on DVD and Blu-ray on November 2, 2011. [SEP] Knowledge 2: Liza and David
Liza and David was a reality television series slated to air on VH1 in 2002, featuring Liza Minnelli and her then-husband, David Gest. [SEP] Knowledge 3: Beyoncé
Beyoncé names Michael Jackson as her major musical influence. Aged five, Beyoncé attended her first ever concert where Jackson performed and she claims to have realised her purpose. When she presented him with a tribute award at the World Music Awards in 2006, Beyoncé said, "if it wasn't for Michael Jackson, I would never ever have performed." She admires Diana Ross as an "all-around entertainer" and Whitney Houston, who she said "inspired me to get up there and do what she did." She credits Mariah Carey's singing and her song "Vision of Love" as influencing her to begin practicing vocal runs as a child. Her other musical influences include Aaliyah, Prince, Lauryn Hill, Sade Adu, Donna Summer, Mary J. Blige, Janet Jackson, Anita Baker and Rachelle Ferrell.
Knowledge 1: Beyoncé
Beyoncé names Michael Jackson as her major musical influence. Aged five, Beyoncé attended her first ever concert where Jackson performed and she claims to have realised her purpose. When she presented him with a tribute award at the World Music Awards in 2006, Beyoncé said, "if it wasn't for Michael Jackson, I would never ever have performed." She admires Diana Ross as an "all-around entertainer" and Whitney Houston, who she said "inspired me to get up there and do what she did." She credits Mariah Carey's singing and her song "Vision of Love" as influencing her to begin practicing vocal runs as a child. Her other musical influences include Aaliyah, Prince, Lauryn Hill, Sade Adu, Donna Summer, Mary J. Blige, Janet Jackson, Anita Baker and Rachelle Ferrell. [SEP] Knowledge 2: Michael Jackson: The Life of an Icon
Michael Jackson: The Life of an Icon is a documentary film about pop singer Michael Jackson produced by his friend, David Gest. The film features footage of the beginning of The Jackson 5, Jackson's solo career and the child molestation accusations made against him. It also has interviews with Jackson's mother, Katherine, and siblings, Tito and Rebbie Jackson, as well as other artists—who were inspired by him and had met him before his death—including Whitney Houston, Smokey Robinson and Dionne Warwick. The film was released on DVD and Blu-ray on November 2, 2011. [SEP] Knowledge 3: Maria Luisa of Savoy
Maria Luisa of Savoy (Maria Luisa Gabriella; 17 September 1688 – 14 February 1714) was a queen consort of Spain by marriage to Philip V of Spain. She acted as Regent of Spain during the absence of her spouse from 1702 until 1703, and had great influence over him as his adviser, while she was herself in turn influenced by the Princesse des Ursins.

Answer: Liza Minnelli