Question: Arena is a documentary series that has aired a show chronicling which Canadian filmmaker?

full_context: Document 1: Up Series: The "Up" Series is a series of documentary films produced by Granada Television that have followed the lives of fourteen British children since 1964, when they were seven years old. So far the documentary has had eight episodes spanning 49 years (one episode every seven years) and the documentary has been broadcast on both ITV and BBC. In a 2005 Channel 4 programme, the series topped the list of "The 50 Greatest Documentaries." The children were selected to represent the range of socio-economic backgrounds in Britain at that time, with the explicit assumption that each child's social class predetermines their future. Every seven years, the director, Michael Apted, films material from those of the fourteen who choose to participate. The aim of the series is stated at the beginning of "7 Up" as: "Why do we bring these children together? Because we want to get a glimpse of England in the year 2000. The shop steward and the executive of the year 2000 are now seven years old."
Document 2: Andy Warhol: Andy Warhol ( ; born Andrew Warhola; August 6, 1928 – February 22, 1987) was an American artist, director and producer who was a leading figure in the visual art movement known as pop art. His works explore the relationship between artistic expression, celebrity culture, and advertising that flourished by the 1960s, and span a variety of media, including painting, silkscreening, photography, film, and sculpture. Some of his best known works include the silkscreen paintings "Campbell's Soup Cans" (1962) and "Marilyn Diptych" (1962), the experimental film "Chelsea Girls" (1966), and the multimedia events known as the "Exploding Plastic Inevitable" (1966–67).
Document 3: BAFTA Award for Best Documentary: This page lists the winners for the BAFTA Award for Best Documentary, formerly known as the Robert Flaherty Award, for each year. The British Academy of Film and Television Arts (BAFTA), is a British organisation that hosts annual awards shows for film, television, children's film and television, and interactive media. A theatrical documentary award was presented by the Academy between 1948 and 1990. Documentaries have continued to be honoured with British Academy Television Awards since then and have been eligible in all relevant categories at the Film Awards. In 2012, the Academy re-introduced this category in recognition of the number of high-quality theatrical documentaries released in cinemas in the UK each year.
Document 4: A Picture of Britain: A Picture of Britain is a 2005 BBC television documentary series presented by David Dimbleby, which describes the British landscape and the art which it has inspired. In each of the six 1-hour episodes Dimbleby explores a different British region and discusses the ways that its landscape and culture have influenced painters, poets and composers.
Document 5: List of Doctor Who serials: "Doctor Who" is a British science fiction television programme produced by the BBC. s of 1 2017, episodes of "Doctor Who " have aired, concluding the first half of the  series. This includes one television movie and multiple specials, and encompasses 275 stories over 36 seasons. Additionally, four charity specials and two animated serials have also been aired. The programme's high episode count has resulted in "Doctor Who" holding the world record for the highest number of episodes of a science-fiction programme. In June 2017, it was announced that due to the terms of a deal between BBC Worldwide and SMG Pictures in China, the company has first right of refusal on the purchase for the Chinese market of future series of the programme until and including Series 15.
Document 6: John Harron: John Harron (March 31, 1903 – November 24, 1939) was an American actor. He appeared in 167 films between 1918 and 1940. Born in New York, New York, he was the brother of actor Robert Harron and of actress Mary Harron. Harron died in Seattle, Washington from spinal meningitis.
Document 7: I Shot Andy Warhol: I Shot Andy Warhol is a 1996 American-British independent film about the life of Valerie Solanas and her relationship with the artist Andy Warhol. The film marked the debut of Canadian director Mary Harron. The film stars Lili Taylor as Valerie, Jared Harris as Andy Warhol, and Martha Plimpton as Valerie's friend Stevie. Stephen Dorff plays Warhol superstar Candy Darling. John Cale of The Velvet Underground wrote the film's score despite protests from former band member Lou Reed. Yo La Tengo plays an anonymous band that is somewhat reminiscent of the group.
Document 8: Mary Woronov: Mary Woronov (born December 8, 1943) is an American actress, published author and figurative painter. She is primarily known as a "cult star" because of her work with Andy Warhol and her roles in Roger Corman's cult films. Woronov has appeared in over 80 movies and on stage at Lincoln Center and off-Broadway productions as well as numerous times in mainstream American TV series, such as "Charlie's Angels" and "Knight Rider". She frequently co-starred with friend Paul Bartel; the pair appeared in 17 films together, often playing a married couple.
Document 9: Superstar in a Housedress: Superstar in a Housedress (2004) is a feature-length documentary by independent filmmaker Craig Highberger about the life and legend of Warhol superstar Jackie Curtis. Highberger also wrote the biography of the same name, published by Penguin imprint Chamberlain Bros. in 2005. The film includes interviews with surviving superstars Holly Woodlawn, Penny Arcade and Joe Dallesandro; as well as Paul Morrissey, the director of the Warhol films "Flesh" and "Women In Revolt" that Jackie appeared in; and Tony Award winners Harvey Fierstein, and Lily Tomlin who also narrates. The film also includes twenty friends and colleagues of Curtis who round out the story of the artist's life. Rare footage includes Curtis performing in "Vain Victory", "Heaven Grand in Amber Orbit", and "Glamour, Glory and Gold".
Document 10: Vanessa Engle: Vanessa Engle is a British documentary filmmaker who has been making films for BBC Television since 1988. For the first fifteen years of her career, she made arts documentaries, including spending four years (1989 - 1993) working for BBC2's late night arts magazine programme, The Late Show. Her three-part series 'Britart', about Britain's Young British Artists, was commissioned for the launch of BBC4 in 2002 and was followed by another three-part series 'Art & the 60s' (2004), which had a tie-in exhibition at Tate Britain. Her film about Charles Saatchi launched the 'Imagine' strand on BBC1 in 2003.
Document 11: Arena (TV series): Arena is a British television documentary series, made and broadcast by the BBC since 1 October 1975. Voted by TV executives in "Broadcast" magazine as one of the top 50 most influential programmes of all time, it has produced over six hundred episodes directed by, among others, Frederick Baker, Jana Boková, Jonathan Demme, Nigel Finch, Mary Harron, Vikram Jayanti, Vivian Kubrick, Paul Lee, Adam Low, James Marsh, Leslie Megahey, Volker Schlondorff, Martin Scorsese, Julian Temple, Anthony Wall, Leslie Woodhead, and Alan Yentob.
Document 12: Killer Films: Killer Films is a New York City-based independent film production company founded by movie producers Christine Vachon and Pamela Koffler in 1995. The company has produced a number of the most acclaimed American independent films over the past two decades including "Far From Heaven" (nominated for four Academy Awards), "Boys Don't Cry" (Academy Award winner), "One Hour Photo", "Kids", "Hedwig and the Angry Inch", "Happiness", "Velvet Goldmine", "Safe", "I Shot Andy Warhol", "Swoon", "I'm Not There" (Academy Award nominated), "Kill Your Darlings", "Still Alice" (Academy Award winner) and "Carol" (nominated for six Academy Awards). Killer Films executive produced Todd Haynes' five episode HBO miniseries "Mildred Pierce" featuring Kate Winslet and Guy Pearce, which went on to win five Emmys, a Golden Globe and a Screen Actors Guild Award.
Document 13: Mary Sweeney: Mary Sweeney is an American film producer, director, writer and film editor, who collaborated for 20 years with her husband, avant-garde American film director, David Lynch. Sweeney worked with Lynch on several films and television series, most notably the original "Twin Peaks" series (1990), "Lost Highway" (1997), "The Straight Story", (1999) and "Mulholland Drive" (2001). Sweeney is the Dino and Martha De Laurentiis Endowed Professor in the Writing Division of the School of Cinematic Arts at the University of Southern California. She is the Chair of the Film Independent Board of Directors.
Document 14: Mary Harron: Mary Harron (born January 12, 1953) is a Canadian filmmaker and screenwriter best known for her socially-conscious independent films like "I Shot Andy Warhol", "American Psycho" and "The Notorious Bettie Page".
Document 15: Genius of Britain: Genius of Britain: The Scientists Who Changed the World is a five-part television documentary presented by leading British scientific figures, which charts the history of some of Britain's most important scientists and innovators.
ground_truth: Mary Harron