Question: What is the nationality of the person who discovered Alicia Witt?

full_context: Document 1: Music of Twin Peaks: The music of the American television series "Twin Peaks", its 1992 prequel film "", and its 2017 revival series was composed by Angelo Badalamenti. "Twin Peaks"' co-creator David Lynch wrote lyrics for five songs used throughout the series—including "Falling", "The Nightingale", "Into the Night", "Just You" and "Sycamore Trees"—and three songs featured in "Twin Peaks: Fire Walk with Me", including "A Real Indication", "Questions in a World of Blue" and "The Black Dog Runs at Night". Julee Cruise, who made cameo appearances in both the series and film, provided vocals for four of Lynch's and Badalamenti's collaborations, and jazz vocalist Jimmy Scott performed on "Sycamore Trees". Three of the series' actors—James Marshall, Lara Flynn Boyle, and Sheryl Lee—provided vocals for "Just You".
Document 2: Alicia Keys: Alicia Augello Cook (born January 25, 1981), known professionally as Alicia Keys, is an American singer, songwriter, record producer, pianist and actress. Keys released her debut album with J Records, having had previous record deals first with Columbia and then Arista Records. Keys' debut album, "Songs in A Minor" was released in 2001, producing her first "Billboard" Hot 100 number-one single "Fallin'", and selling over 12 million copies worldwide. The album earned Keys five Grammy Awards in 2002. Her sophomore album, "The Diary of Alicia Keys", was released in 2003, spawning successful singles "You Don't Know My Name", "If I Ain't Got You" and "Diary", and selling 8 million copies worldwide. The duet song "My Boo" with Usher scored her a second number-one single in 2004. The album garnered her an additional four Grammy Awards in 2005. Later that year, she released her first live album, "Unplugged", becoming the first woman to have an "MTV Unplugged" album debut at number one.
Document 3: David Fincher: David Andrew Leo Fincher (born August 28, 1962) is an American director and producer, notably for films, television series and music videos. He was nominated for the Academy Award for Best Director for "The Curious Case of Benjamin Button" (2008) and "The Social Network" (2010). For the latter, he won the Golden Globe Award for Best Director and the BAFTA Award for Best Direction.
Document 4: Alicia Witt: Alicia Roanne Witt (born August 21, 1975) is an American actress, singer-songwriter, and pianist. Witt first came to fame as a child actress after being discovered by David Lynch, who cast her as Alia Atreides in his film "Dune" (1984) and in a guest role in his television series "Twin Peaks" (1990).
Document 5: Julee Cruise: Julee A. Cruise (born December 1, 1956, Creston, Iowa) is an American singer, songwriter, actress and musician. She has recorded four albums, but is probably best known for "Falling", the theme song for the cult US television series "Twin Peaks". During the late 1980s and early 1990s, she collaborated with composer Angelo Badalamenti and film director David Lynch, who produced and wrote the lyrics for many of her released songs, and returned in the 2017 return of Twin Peaks. Cruise is also a songwriter in her own right. She is married to Edward Grinnan, Editor-in-Chief of "Guideposts" magazine and best-selling author of "The Promise of Hope" and "Always By My Side".
Document 6: Diane Ladd: Diane Ladd (born November 29, 1932) is an American actress, film director, producer and author. She has appeared in over 120 film and television roles. For the 1974 film "Alice Doesn't Live Here Anymore", she won the BAFTA Award for Best Actress in a Supporting Role and was nominated for the Academy Award for Best Supporting Actress. She went on to win the Golden Globe Award for Best Supporting Actress on Television for "Alice" (1980–81), and to receive Academy Award nominations for "Wild at Heart" (1990) and "Rambling Rose" (1991). Her other film appearances include "Chinatown" (1974), "Ghosts of Mississippi" (1996), "Primary Colors" (1998), "28 Days" (2000), and "American Cowslip" (2008). Ladd is the mother of actress Laura Dern, with her ex-husband, actor Bruce Dern.
Document 7: David Lynch: David Keith Lynch (born January 20, 1946) is an American director, screenwriter, producer, painter, musician, actor, and photographer. He has been described by "The Guardian" as "the most important director of this era". AllMovie called him "the Renaissance man of modern American filmmaking", while the success of his films has led to him being labelled "the first popular Surrealist".
Document 8: 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 9: Denison Witmer: Denison Witmer is a singer-songwriter from Lancaster, Pennsylvania. His first release, in 1995, was a cassette titled "My Luck, My Love". He has since released six studio LPs; two live albums, a cover album ("Recovered"); three EPs; and an LP with The River Bends—a side project consisting of members of the Philadelphia-based alt-country band One Star Hotel. Witmer's 2005 album, "Are You A Dreamer?", produced by Don Peris of The Innocence Mission and featuring Sufjan Stevens, received acclaim, including positive reviews from Pitchfork Media and "Entertainment Weekly". Witmer and Stevens appeared on Rosie Thomas's 2007 album "These Friends of Mine", an album which included Rosie Thomas' version of Paper Doll, a track originally written and recorded by Witmer. Witmer toured with Rosie Thomas in support of that album in venues across the US and Europe.
Document 10: David Lochary: David Crawford Lochary (August 21, 1944 – July 29, 1977) was one of the regular "Dreamlander" actors in early films of the controversial "trash" film director John Waters. He starred in such films as "Pink Flamingos", "Female Trouble", and "Multiple Maniacs", in which he typically played exotically-dressed, sophisticated perverts. Lochary co-wrote "The Diane Linkletter Story" with Divine, and worked as an uncredited hair and makeup artist on many of Waters' films. Lochary met Divine at beauty school and used to style his wigs and makeup for parties. Divine later commented that he had "never even heard the word 'drag' before David."
Document 11: Alicia Silverstone: Alicia Silverstone ( ; born October 4, 1976) is an American actress. She made her film debut in "The Crush" (1993), earning the 1994 MTV Movie Award for Best Breakthrough Performance, and gained further prominence as a teen idol when she appeared at the age of 16 in the music video for Aerosmith's "Cryin'". She starred in the comedy hit "Clueless" (1995), which earned her a multimillion-dollar deal with Columbia Pictures, and in the big-budget film "Batman & Robin" (1997), playing Batgirl. She has continued to act in film and television and on stage. For her role in the short-lived drama comedy "Miss Match" (2003), Silverstone received a Golden Globe Award nomination for Best Actress – Television Series Musical or Comedy. A vegan, Silverstone has endorsed PETA activities and has published two nutrition books.
Document 12: Gus Van Sant: Gus Green Van Sant, Jr. (born July 24, 1952) is an American film director, screenwriter, painter, photographer, musician and author who has earned acclaim as both an independent and more mainstream filmmaker. His films typically deal with themes of marginalized subcultures, in particular homosexuality; as such, Van Sant is considered one of the most prominent auteurs of the New Queer Cinema movement.
Document 13: Stanley Kubrick: Stanley Kubrick ( ; July 26, 1928 – March 7, 1999) was an American film director, screenwriter, producer, cinematographer, editor, and photographer. He is frequently cited as one of the greatest and most influential directors in cinematic history. His films, which are mostly adaptations of novels or short stories, cover a wide range of genres, and are noted for their realism, dark humor, unique cinematography, extensive set designs, and evocative use of music.
Document 14: 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 15: Larry Clark: Lawrence Donald "Larry" Clark (born January 19, 1943) is an American film director, photographer, writer and film producer who is best known for his controversial teen film "Kids" (1995) and his photography book "Tulsa". His work focuses primarily on youth who casually engage in illegal drug use, underage sex, and violence, and who are part of a specific subculture, such as surfing, punk rock or skateboarding.
ground_truth: American