Question: Where did the documentary about the life of the first woman elected to serve as chief of the Cherokee Nation premier?
Context: The Treaty of Turkeytown, also known as the Treaty with the Cherokee and the Treaty of Chickasaw Council House was negotiated on 14 September 1816, between delegates of the former Cherokee Nation on the one part and Lieutenant General Andrew Jackson, General David Meriwether and Jesse Franklin, Esq., who served as agents of the United States in the capacity of "commissioners plenipotentiary", on the other part.  Conducted following the Creek War, the initial meeting was held at the Chickasaw Council House and stipulated a further meeting on 28 September 1816, to be conducted at "Turkey's Town", on the Coosa River, near the present day town of Centre, in Etowah County, Alabama.  The treaty was ratified by the Cherokee Nation at Turkeytown on 4 October 1816, and signed by Pathkiller, then Principal Chief of the Cherokee Nation. Bill John Baker (born February 9, 1952) is the current Principal Chief of the Cherokee Nation.  First elected in October 2011, Baker defeated three-term incumbent Chief Chad "Corntassel" Smith.  Prior to his election as Chief, Baker served 12 years on the Cherokee Tribal Council.  In 1999, Baker unsuccessfully ran for Deputy Chief of the Cherokee Nation. John Thompson Drew (1796 – August 25, 1865) was a mixed blood military and political leader of the Cherokee Nation.  Born in 1796, there is little written about his life until he led a company of Cherokee emigrants from Georgia to Indian Territory.  The "Cherokee Encyclopedia" states that he was a participant in the Battle of Claremore Mound in 1818.  He is best known for joining the Confederate Army at the outbreak of the American Civil War, when he raised, organized and led the 1st Cherokee Mounted Rifles.  He moved his home from the Cherokee Nation to the Chickasaw Nation near the end of the war to escpe intra-tribal bloodshed. Frankie Sue Del Papa (born September 21, 1949) is an American attorney and politician in the U.S. state of Nevada; she is associated with the Democratic Party.  Del Papa was the first woman elected as Secretary of State of Nevada (1986) and the first woman elected as Nevada Attorney General (1990, 1994, and 1998).  In addition, Del Papa was the first woman elected student body president at the University of Nevada. Mankiller is a 2017 documentary film directed by Valerie Red-Horse Mohl and executive produced by Gale Anne Hurd, concerning the life of Wilma Mankiller.  The film had its US premiere on June 19, 2017 at the Los Angeles Film Festival.  It was produced by Red-Horse Native Productions and Valhalla Entertainment and is a presentation of Vision Maker Media for PBS. John Martin (1784 – October 17, 1840) was a notable judge of the Cherokee Tribal Court.  He was a highly educated member of the tribe, although he was only one-eighth Cherokee.  A biographer describes him as blond, blue-eyed and a person who could easily pass for white.  He had no formal training in law, but he was one of the first men appointed to serve as a judge on the Cherokee Tribal Court, which was established in 1822.  After his term as judge ended in 1828, he was addressed as Judge Martin for the rest of his life.  He also served the Cherokee Nation as Treasurer, He was also a member of the Cherokee Constitutional Convention that led to the formation of a real national government.  In 1837, he removed from Georgia to Indian Territory, where he was elected as the first Chief Justice of the newly created Cherokee Supreme Court in 1839.  He served until his death the following year. Marie-Claire Kirkland-Casgrain, {'1': ", '2': ", '3': ", '4': "} (September 8, 1924 – March 24, 2016) was a Quebec lawyer, judge and politician.  She was the first woman elected to the Legislative Assembly of Quebec, the first woman appointed a Cabinet minister in Quebec, the first woman appointed acting premier, and the first woman judge to serve in the Quebec Provincial Court. Wilma Pearl Mankiller (November 18, 1945 – April 6, 2010) was a community organizer and the first woman elected to serve as chief of the Cherokee Nation.  A liberal member of the Democratic Party, she served as principal chief for ten years from 1985 to 1995.  She was the author of a national-bestselling autobiography, "Mankiller: A Chief and Her People" and co-authored "Every Day Is a Good Day: Reflections by Contemporary Indigenous Women".  Mankiller's administration founded the Cherokee Nation Community Development Department and saw a population increase of Cherokee Nation citizens from 55,000 to 156,000. John Brown, formerly judge of the Chickamauga District of the Cherokee Nation East, was elected Principal Chief of the Cherokee Nation West 22 April 1839, after the Old Settlers decided to elect new officers to strengthen their position vis-a-vis the Latecomers under John Ross, in place of then Principal Chief John Looney.  He served until a majority of the Old Settlers decided his administration had not gone far enough to accomplish a compromise with the Ross party, and re-elected his predecessor John Looney in his place that July. John Rogers was the last elected Principal Chief of the Cherokee Nation West, elected 11 October 1839 by the faction of Old Settlers who rejected the unity constitution of September 1839.  The rejectionist faction gained no further adherents and the effort died the next year.  Rogers was the nephew of previous Cherokee Nation West principal chiefs Tahlonteeskee and John Jolly.
Answer: Los Angeles Film Festival