Question: Which producer from the 2015 British documentary film about the life and death of British singer-songwriter Amy Winehouse also worked on the film Oasis: Supersonic as a film producer?

Context:
Ronaldo (film)
Ronaldo is a 2015 British documentary film directed by Anthony Wonke.
 It follows the life and career of Portuguese footballer Cristiano Ronaldo, who currently plays for Spanish club Real Madrid and the Portugal national team.
 The film was released worldwide on 9 November 2015.
 A trailer for the film was released on 28 September 2015.
Amy Winehouse Foundation
The Amy Winehouse Foundation is a registered charity in England and Wales (number 1143740), set up in memory of English singer-songwriter Amy Winehouse (1983–2011).
Oasis: Supersonic
Oasis: Supersonic is a 2016 British music documentary directed by Mat Whitecross.
 Asif Kapadia and James Gay-Rees, already awarded with an Oscar for the film "Amy", worked on this film respectively as executive producer and film producer.
 The Production Companies associated with the film are Mint Pictures, Nemperor and On The Corner Films and is distributed in the UK by Entertainment One and Lorton Distribution.
Fear Itself (film)
Fear Itself is a 2015 British documentary film about horror cinema, directed by Charlie Lyne and narrated by Amy E. Watson.
 The film is constructed entirely from existing films with the exception of its opening and closing sequences.
Ania Teliczan (album)
Ania Teliczan is the self-titled debut studio album from Polish singer-songwriter Ania Teliczan.
 It was released on 16 January 2012 and consists of 10 songs in style of 60's in English and Polish, some of which written by Andrzej Piaseczny and Teliczan herself.
 The album was recorded in the United Kingdom with producer Troy Miller, who previously worked with Amy Winehouse.
Amy (soundtrack)
Amy is an original motion picture soundtrack to the 2015 film of the same name.
 It was released by Island Records on 30 October 2015.
 It is also the second posthumous compilation album by English singer and songwriter Amy Winehouse (the subject of the film).
 It features unreleased songs and demos that were included in the documentary and also features music by Brazilian composer Antônio Pinto.
 The soundtrack peaked at number 19 on the UK Albums Chart.
Tears Dry on Their Own
"Tears Dry on Their Own" is a song by English singer and songwriter Amy Winehouse from her second and final studio album "Back to Black" (2006).
 "Tears Dry on Their Own" was released as the fourth single from "Back to Black" on 13 August 2007.
 While the melody and lyrics are composed by Winehouse, the music behind her voice is a sample interpolation of Marvin Gaye and Tammi Terrell's 1967 Motown classic hit "Ain't No Mountain High Enough", penned by the married duo of Ashford & Simpson.
 The original ballad version of the track is featured on the posthumous album "" (2011).
 The song was featured in the documentary film based on the life and death of Winehouse, "Amy" (2015) and was also included on the film's soundtrack.
Amy (2015 film)
Amy is a 2015 British documentary film about the life and death of British singer-songwriter Amy Winehouse.
 Directed by Asif Kapadia and produced by James Gay-Rees, George Pank, and Paul Bell and co-produced by Krishwerkz Entertainment, On The Corner Films, Playmaker Films, and Universal Music, in association with Film 4.
 The film covers Winehouse's life and her struggle with substance abuse, both before and after her career blossomed, and which eventually caused her death.
Paul Staveley O'Duffy
Paul O'Duffy (born 1963, London) is a British record producer, composer, mixer.
 He is best known for producing Swing Out Sister's Grammy-nominated multi-platinum debut album, for his BMI nomination as 'Producer of the Year' in 1987, his work with John Barry and his work with Amy Winehouse, which resulted in his co-writing one of the tracks on her multi-platinum album "Back to Black".
 In 2015, Paul co-wrote with XL Recordings' artist "Låpsley", with two of his co-writes/productions featuring on her 2016 debut album "Long Way Home"
Ania Teliczan
Ania Teliczan is a Polish singer-songwriter who rose to fame as a finalist of the second series of television show "Poland's Got Talent" in 2009.
 Soon after the end of the show, she was signed by Sony Music Poland.
 Her debut album was released on 16 January 2012 and had been recorded in the United Kingdom with producer Troy Miller, who previously worked with Amy Winehouse.
 It consists of 10 songs in style of 60's in English and Polish, some of which written by Andrzej Piaseczny and Teliczan herself.

Answer: James Gay-Rees