Question: Who is the wife of the man who produced the documentary of the pop star who sings I Want to Rock With You?

Knowledge 1: Rock with You
``Rock with You ''is a song recorded by American singer Michael Jackson. It was written by English songwriter Rod Temperton and produced by Quincy Jones. It was first offered to Karen Carpenter, while she was working on her first solo album, but she turned it down. It was released on November 3, 1979 as the second single from Jackson's fifth solo album, Off the Wall (1979). It was also the third number one hit of the 1980s, a decade whose pop singles chart would soon be dominated by Jackson. [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: Rock with You
``Rock with You ''is a song recorded by American singer Michael Jackson. It was written by English songwriter Rod Temperton and produced by Quincy Jones. It was first offered to Karen Carpenter, while she was working on her first solo album, but she turned it down. It was released on November 3, 1979 as the second single from Jackson's fifth solo album, Off the Wall (1979). It was also the third number one hit of the 1980s, a decade whose pop singles chart would soon be dominated by Jackson.
Knowledge 1: Rock with You
``Rock with You ''is a song recorded by American singer Michael Jackson. It was written by English songwriter Rod Temperton and produced by Quincy Jones. It was first offered to Karen Carpenter, while she was working on her first solo album, but she turned it down. It was released on November 3, 1979 as the second single from Jackson's fifth solo album, Off the Wall (1979). It was also the third number one hit of the 1980s, a decade whose pop singles chart would soon be dominated by Jackson. [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: Elvis Presley
Elvis Aaron Presley (January 8, 1935 -- August 16, 1977) was an American singer and actor. Regarded as one of the most significant cultural icons of the 20th century, he is often referred to as the ``King of Rock and Roll ''or simply`` the King''.

Answer: Liza Minnelli