Question: What movie is Chynna Phillips' half-sister who was born in 1959 best known for?

Context paragraphs:
Caryl Phillips: Caryl Phillips (born 13 March 1958) is a Kittitian-British novelist, playwright and essayist.  Best known for his novels (for which he has won multiple awards), Phillips is often described as a writer, since much of his fictional output is defined by its interest in, and searching exploration of, the experiences of peoples of the African diaspora in England, the Caribbean and the United States.  As well as writing, Phillips has worked as an academic at numerous institutions including Amherst College, Barnard College, and Yale University, where he has held the position of Professor of English since 2005.

Christopher Phillips: Christopher Phillips (born July 15, 1959) is an American author, educator, and pro-democracy advocate.  He is best known for his 2001 book "Socrates Café".  Public Radio International called Phillips the "Johnny Appleseed of Philosophy."

Rod Phillips: Rod Phillips (born September 9, 1941) is a retired radio broadcaster for 630 CHED in Edmonton, Alberta.  Phillips is best known as the play-by-play man of the World Hockey Association and National Hockey League's Edmonton Oilers from 1973 to 2011, succeeding longtime Edmonton Eskimos broadcaster Bryan Hall despite having no experience in the field.  He is most famous for his loud, long scream of "scoooooooooores!!!!!" , considered a classic for Oilers fans.  Many fans attending games brought their radios to Northlands Coliseum to listen to his broadcasts, and many people watching games on television turned down the sound to listen to his coverage.  In 2003, Phillips received the Foster Hewitt Memorial Award, and was inducted into the Hockey Hall of Fame.

Paloma Picasso: Paloma Picasso (born Anne Paloma Ruiz-Picasso y Gilot in Vallauris on 19 April 1949), is a French fashion designer and businesswoman, best known for her jewelry designs for Tiffany & Co.  and her signature perfumes.  She is the youngest daughter of 20th-century artist Pablo Picasso and painter and writer Françoise Gilot.  Paloma Picasso's older brother is Claude Picasso (b. 1947), her half-brother is Paulo Picasso (1921-1975), her half-sister is Maya (b. 1935), and she has another half-sister, Aurelia (b. 1956), from her mother's relationship with artist Luc Simon.

Stone Phillips: Stone Stockton Phillips (born December 2, 1954) is an American television reporter and correspondent.  He is best known as the former co-anchor of "Dateline NBC", a newsmagazine TV show.  He also has worked as a substitute anchor for "NBC Nightly News" and "Today" and as a substitute moderator on "Meet the Press".  Prior to his tenure at NBC, he was an ABC News correspondent for "20/20" and "World News Tonight".  He is known for his clear delivery and gravitas which was satirized by Phillips himself in appearances on "The Colbert Report".  Phillips was among Colbert's many guests for the sing-along at the end of the series' finale episode.

Mackenzie Phillips: Laura Mackenzie Phillips (born November 10, 1959) is an American actress and singer best known for her roles in "American Graffiti", as rebellious teenager Julie Mora Cooper Horvath on the sitcom "One Day at a Time", and for the Disney Channel science fiction show "So Weird".

Rog Phillips: Roger Phillips Graham (1909-1966), born in Spokane, Washington, was an American science fiction writer who was published most often using the name Rog Phillips, but also used other names.  Of his other pseudonyms, only Craig Browning is notable in the genre.  He is associated most with "Amazing Stories" and is known best for short fiction.  He was nominated for the Hugo Award for Best Novelette during 1959.

Chynna Phillips: Chynna Gilliam Phillips (born February 12, 1968) is an American singer and actress, better known for being a member of Wilson Phillips.  She is also the daughter of The Mamas & the Papas band members John and Michelle Phillips, and the half-sister of Mackenzie Phillips and Bijou Phillips.

Bob Phillips: Robert Leon Phillips, known as Bob Phillips (born June 23, 1951), is an American television journalist best known for his long-running program "Texas Country Reporter".  In 2005, Phillips was inducted into the Silver Circle of the Lone Star Chapter of the National Academy of Television Arts and Sciences, the association that gives the Emmy Awards; the honor is extended to professionals who have spent at least 25 years of their career in television in Texas and have made significant contributions to their industry and their communities.

Maria McKee: Maria Luisa McKee (born August 17, 1964) is an American singer-songwriter.  She is best known for her work with Lone Justice, her 1990 UK solo chart-topping hit, "Show Me Heaven", and her song "If Love Is a Red Dress (Hang Me in Rags)" from the film "Pulp Fiction".  She is the half-sister of Bryan MacLean, who was best known as a guitarist and vocalist in the band Love.

Supporting paragraphs: Chynna Phillips Mackenzie Phillips
Answer: American Graffiti