Question: Which 2017 documentary film was commissioned in part by the royal who is currently fifth in line to the British throne?

full_context: Document 1: Diana, Princess of Wales: Diana, Princess of Wales (Diana Frances; "née" Spencer; 1 July 1961 – 31 August 1997), was a member of the British royal family as the first wife of Charles, Prince of Wales, who is the eldest child and heir apparent of Queen Elizabeth II.
Document 2: Charles, Prince of Wales: Charles, Prince of Wales (Charles Philip Arthur George; born 14 November 1948) is the eldest child and heir apparent of Queen Elizabeth II. Known alternatively in Cornwall as Duke of Cornwall and in Scotland as Duke of Rothesay, he is the longest-serving heir apparent in British history, having held the position since 1952. He is also the oldest person to be next in line to the throne since Sophia of Hanover (the heir presumptive to Queen Anne), who died in 1714 at the age of 83.
Document 3: Elizabeth at 90: A Family Portrait: Elizabeth at 90: A Family Portrait is a 2016 television documentary film made to commemorate the 90th birthday of Queen Elizabeth II. It was produced by the BBC and directed by John Bridcut, and narrated by Charles, Prince of Wales. Aside from archive footage, the programme featured extensive footage shot by the Queen, Prince Philip, Duke of Edinburgh, Princess Margaret, King George VI and Queen Elizabeth the Queen Mother. The footage had never been publicly shown and came from the Queen's private archive of homemade films. The footage shown was interspersed with members of the British royal family commenting on the films. The film featured contributions from the Queen, the Prince of Wales, Anne, Princess Royal, Prince William, Duke of Cambridge and Prince Harry, Lady Sarah Chatto, Prince Edward, Duke of Kent and Princess Alexandra, The Honourable Lady Ogilvy.
Document 4: The Diana Chronicles: The Diana Chronicles is a 2007 British biographical book by Tina Brown that chronicles the life and death of Diana, Princess of Wales. The book's release coincided with the increased attention Diana had received leading up to the tenth anniversary of her death in 1997. Brown writes in a preface: The biography was based on over 250 interviews with men and women - members of Diana's intimate circle, associates in her public life and partners in her philanthropy.
Document 5: Prince Andrew, Duke of York: Prince Andrew, Duke of York, {'1': ", '2': ", '3': ", '4': "} (Andrew Albert Christian Edward, born 19 February 1960), is the second son and third child of Queen Elizabeth II and Prince Philip, Duke of Edinburgh. At the time of his birth, he was second in the line of succession to the British throne; as of 2017 he is sixth in line.
Document 6: Prince Harry: Prince Henry of Wales {'1': ", '2': ", '3': ", '4': "} (Henry Charles Albert David; born 15 September 1984), familiarly known as Prince Harry, is the younger son of Charles, Prince of Wales, and Diana, Princess of Wales. At the time of his birth, he was third in line of succession to the British throne, after his father and elder brother, but is currently fifth in line after his father, his elder brother, and his nephew and niece, George and Charlotte.
Document 7: Diana, Princess of Wales Tribute Concert: The Diana, Princess of Wales Tribute Concert was a British music concert held in memory of Diana, Princess of Wales on 27 June 1998, a few days before the date of what would have been her 37th birthday. The concert was held at Althorp Park, the Northamptonshire seat of the Spencer family, and Diana's childhood home. Artists and groups who performed at the concert were among those enjoyed by the late Princess, and included Sir Cliff Richard, Chris de Burgh, David Hasselhoff, Duran Duran, Jimmy Ruffin and Lesley Garrett. The concert was attended by 15,000 people, with proceeds from ticket sales being donated to the Diana, Princess of Wales Memorial Fund, but the £39.50 price attracted criticism due to its perceived expense. Phil Collins, who did not appear at the concert, was among those to comment on the amount charged to concertgoers. Highlights of the concert were broadcast on BBC One on the evening of 1 July.
Document 8: Princess Charlotte of Cambridge: Princess Charlotte of Cambridge (Charlotte Elizabeth Diana; born 2 May 2015) is the younger child and only daughter of Prince William, Duke of Cambridge, and Catherine, Duchess of Cambridge. She is fourth in line of succession to the British throne, after her paternal grandfather, her father, and her elder brother.
Document 9: Prince George of Cambridge: Prince George of Cambridge (George Alexander Louis; born 22 July 2013) is the elder child and only son of Prince William, Duke of Cambridge, and Catherine, Duchess of Cambridge. He is third in line of succession to the British throne, after his paternal grandfather, and father.
Document 10: Diana, Our Mother: Her Life and Legacy: Diana, Our Mother: Her Life and Legacy is a 2017 documentary film broadcast in the United Kingdom by ITV on 24 July 2017 and the United States by HBO on 24 July 2017. It will also air on Seven Network in Australia, CBC in Canada, Three in New Zealand, NRK in Norway, YLE in Finland and TV2 in Denmark. It aired on Aug 20th, 2017 on CBC News Network.
Document 11: Diana: The Rose Conspiracy: Diana, The Rose Conspiracy is a 2005 short film directed by Uruguayan media artist Martin Sastre. It is based on a fictional day when the world discovers Lady Di did not die in Paris and has a new undercover life in a dangerous cantegril on the outskirts of Montevideo, Uruguay. The film was shot on a real Uruguayan slum along with parts of Montevideo with a Lady Di impersonator, an English teacher from Sao Paulo, Brazil named Denise Watson, and it was selected as one of the best works by the Italian Art Critics Association at the Venice Biennale. After the first public screening it provoked false media headlines about Diana, Princess of Wales alive in Uruguay. This film can only be seen in museums, private collections and other art spaces.
Document 12: Diana, 7 Days: Diana, 7 Days is a 2017 documentary film which was broadcast in the United Kingdom by BBC on 27 August 2017. The documentary is the last of two documentaries commissioned by Prince William and Prince Harry to commemorate the 20th anniversary of the death of their mother, Diana, Princess of Wales.
Document 13: Puteri Impian: Puteri Impian (translated: Dream Princess) is a 1997 Malaysian romantic comedy film directed by Aziz M. Osman and starring Amy Mastura. The film follows the adventures of a young woman who wins the chance to be in a "princess" for ten days in a reality television show. The film is dedicated to Princess Diana, who died not long before the film was released.
Document 14: Prince William, Duke of Cambridge: Prince William, Duke of Cambridge, {'1': ", '2': ", '3': ", '4': "} (William Arthur Philip Louis; born 21 June 1982) is the elder son of Charles, Prince of Wales, and Diana, Princess of Wales. He is second in the line of succession to the British throne, after his father.
Document 15: Elton John: Me, Myself &amp; I: Elton John: Me, Myself & I is a 2007 documentary filmed after the death of Elton John's good friend Diana and other soul shaking events that caused him to reassess his life. It is a candid appraisal by Elton John (tongue in cheek) of his fame, drug use, sexuality, and mistakenly taking his life for granted. It was filmed in Las Vegas, Nevada, United States
ground_truth: Diana, 7 Days