Question: The 2016 American-British biographical film starring Rebecca Hall as Christine Chubbuck demonstrated the first person to do what on a live tv broadcast?

Context articles: London Town (2016 film)
Christine (2016 film)
Felix Dennis
Complete Unknown
Bohemian Rhapsody (film)
Small Claims (TV film)
Itazura na Kiss
The Awakening (2011 film)
Kate Plays Christine
Christine Chubbuck

London Town is a 2016 American-British drama film directed by Derrick Borte and written by Matt Brown.
 The film stars Daniel Huttlestone, Dougray Scott, Natascha McElhone, Nell Williams, and Jonathan Rhys Meyers.
Christine is a 2016 American-British biographical drama film directed by Antonio Campos and written by Craig Shilowich.
 It stars actress Rebecca Hall as news reporter Christine Chubbuck struggling with depression, along with professional and personal frustrations as she tries to advance her career.
Felix Dennis (27 May 1947 – 22 June 2014) was an English publisher, poet, spoken-word performer and philanthropist.
 His company, Dennis Publishing, pioneered computer and hobbyist magazine publishing in the United Kingdom.
 In more recent times, the company added lifestyle titles such as its flagship brand "The Week", which is published in the UK and the United States.
 He was the first person to say "cunt" on live TV.
Complete Unknown is a 2016 American-British drama mystery thriller film, directed by Joshua Marston, from a screenplay by Marston and Julian Sheppard.
 It stars Rachel Weisz, Michael Shannon, Kathy Bates and Danny Glover.
 It had its world premiere at the Sundance Film Festival on January 25, 2016.
 The film was released on August 26, 2016, by Amazon Studios and IFC Films.
Bohemian Rhapsody is an upcoming American-British biographical drama film directed by Bryan Singer and written by Justin Haythe.
 It focuses on a 15 year period from the formation of Queen and lead singer Freddie Mercury up to their performance at Live Aid in 1985, six years before Mercury's death.
 The film stars Rami Malek, Ben Hardy, Gwilym Lee, Joseph Mazzello, Allen Leech, and Lucy Boynton.
 Queen guitarist Brian May and drummer Roger Taylor are serving as the film's music producers.
 The film is scheduled for release in the United States on December 25, 2018 by 20th Century Fox.
Small Claims is an Australian television film starring Rebecca Gibney and Claudia Karvan, which first aired on Network Ten in 2004.
 The film was a co-production with subscription television and was also broadcast on the Foxtel, Austar, and Optus Television Subscription Television services.
 The series was written by husband and wife team, Keith Thompson and Kaye Bendle.
Itazura na Kiss (Japanese: イタズラなKiss , Hepburn: Playful Kiss ) is a Japanese shōjo manga series written and illustrated by Kaoru Tada.
 "Itazura na Kiss" was first serialized and published in 1990 by Shueisha through "Margaret" magazine.
 It became successful very quickly and became the manga series that Tada became known for in Japan.
 The manga became so popular that three live TV series have been made so far in 1996, 2005, and 2010, with a sequel of the 2005 drama in late 2007.
 In 2013, a remake of the Japanese live TV series, called Mischievous Kiss: Love in Tokyo, was made.
 Despite its success, the manga was never completed due to the unexpected death of the author in a house accident while she was moving to another house with her husband and son.
 However the manga series continues to be published with the permission of the artist's widower.
The Awakening is a 2011 British horror film directed and co-written by Nick Murphy, starring Rebecca Hall, Dominic West, Isaac Hempstead-Wright and Imelda Staunton.
Kate Plays Christine is a 2016 American documentary film written and directed by Robert Greene.
 It follows actress Kate Lyn Sheil's preparation for the role of Christine Chubbuck, a newscaster who committed suicide on live television in 1974.
 It is one of the two films about Chubbuck that premiered at the 2016 Sundance Film Festival, the other being "Christine".
Christine Chubbuck (August 24, 1944 – July 15, 1974) was an American television news reporter who worked for WTOG and WXLT-TV in Florida.
 She is known for being the first person to commit suicide on a live television broadcast.