Question: At which age Audrey Kathryn Lindvall's super model sister was discover by IMG scout?

full_context: Document 1: Amber Valletta: Amber Evangeline Valletta (born February 9, 1974) is an American fashion model and actress. She began her career as a fashion model, landing her first of sixteen American "Vogue" covers at age eighteen. During the 1990s, Valletta reached the status of supermodel, working as the face of Giorgio Armani, Chanel, Louis Vuitton, Prada, Valentino, Gucci and Versace, and signing multimillion-dollar cosmetics contracts with Calvin Klein and Elizabeth Arden. From 1995 to 1996, Valletta and her friend and fellow model Shalom Harlow hosted the MTV show, "House of Style".
Document 2: Victoria's Secret Fashion Show 2008: The Victoria's Secret Fashion Show is an annual fashion show sponsored by Victoria's Secret, a brand of lingerie and sleepwear. Victoria's Secret uses the show to promote and market its goods in high-profile settings. The show features some of the world's leading fashion models, such as current Victoria's Secret Angels Heidi Klum, Adriana Lima, Alessandra Ambrosio, Karolina Kurkova, Selita Ebanks, Marisa Miller, Miranda Kerr, and Doutzen Kroes. This year, Behati Prinsloo replaced Miranda Kerr as the Pink spokesmodel.
Document 3: Ruby Aldridge: Ruby Rose Aldridge (born August 26, 1991) is an American fashion model and singer. Over the years of 2008-2012, Ruby Aldridge was the "face" of the brands Coach, Marc by Marc Jacobs, Valentino, and of ck one [Calvin Klein] cosmetics. During the 2011 fall fashion week, Aldridge opened four fashion shows, which placed her, at that time, 7th in terms of the number of these appearances in a given fashion week. As of this date, she has walked in nearly 200 fashion shows, including for such top designers as Alberta Ferretti, Missoni, Sonia Rykiel, Valentino, Dolce & Gabbana, Marc Jacobs, and others, and has appeared on the covers of "Harper's Bazaar", "L'Express Styles", and "L'Officiel", and in major magazine spreads in "The New York Times", "Vanity Fair", and in the "Vogue" editions of several countries (e.g., Italy, the U.S., China, Russia, and Latin America). Ruby Aldridge is the daughter of former Playboy playmate Laura Lyons and artist and graphic designer Alan Aldridge, and younger sister of fashion model Lily Aldridge.
Document 4: Marisa Miller: Marisa Lee Miller (née Bertetta; born August 6, 1978) is an American model and actress best known for her appearances in the "Sports Illustrated Swimsuit Issue" and her work for Victoria's Secret. After a stint shooting with photographer Mario Testino for fashion magazines such as "Vogue", Miller began working for both companies in 2002. In 2007, she became a Victoria's Secret Angel, and appeared on the cover of the 2008 "Sports Illustrated" Swimsuit Issue to record-setting numbers. Her accomplishments have led to her being dubbed the "return of the great American supermodel."
Document 5: Elsa Hosk: Elsa Anna Sofie Hosk (born 7 November 1988) is a Swedish model and current Victoria's Secret Angel, who has worked for a number of leading brands including Dior, Dolce & Gabbana, Free People, Ungaro, H&M, Anna Sui, Lilly Pulitzer and Guess. She modeled for Victoria's Secret, appearing in the brand's annual fashion show in 2011, 2012, 2013, 2014, 2015 and 2016. She has also appeared in many of the brand's campaigns, especially for the sub-division PINK In 2015, she was announced as one of 10 new Victoria's Secret Angels.
Document 6: Amy Lemons: Amy Lemons is an American fashion model and model advocate. As a straight sized (sizes typically used in editorial fashion) model, she rose to fame quickly, by landing the cover of Italian Vogue at age 14. Her ascent in the modeling industry included shooting the covers of "Vogue", "Harpers Bazaar", "Elle" and "Marie Claire". She also landed campaigns for Abercrombie and Fitch, Tommy Hilfiger, Calvin Klein, Jil Sander and Louis Vuitton. After a brief hiatus to earn her college degree from UCLA, Amy came back to the modeling industry as a fashion model and began speaking out about the industry's "zero-sized standard" and healthy self-esteem for young women.
Document 7: Behati Prinsloo: Behati Prinsloo ( ; ] ; born 16 May 1989) is a Namibian model. In 2008, she became the first Victoria's Secret PINK contract model, and moved on to become a Victoria's Secret Angel in 2009. She has walked in nine consecutive Victoria's Secret Fashion Shows (2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, and 2015). She has opened two Victoria's Secret Fashion Shows in a row (2014 and 2015). The video of Behati finding out she is opening her second Victoria's Secret Fashion Show in a row has over one million views on YouTube.
Document 8: Lindsay Ellingson: Lindsay Marie Ellingson (born November 19, 1984) is an American fashion model. She has modeled for Chanel, Dolce & Gabbana, Proenza Schouler, Valentino, and Christian Dior, as well as Victoria's Secret as one of the brand's contracted "Angels".
Document 9: Ashley Olsen: Ashley Fuller Olsen (born June 13, 1986) is an American fashion designer, producer, author, businesswoman, and former actress. She co-founded luxury fashion brands The Row, Elizabeth and James, and the more affordable lines Olsenboye and StyleMint with her fraternal twin sister Mary-Kate Olsen. She is the older sister of actress Elizabeth Olsen.
Document 10: Audrey Lindvall: Audrey Kathryn Lindvall (August 11, 1982 – August 2, 2006) was an American model. She was the sister of supermodel Angela Lindvall, and the former face of Coach and Ann Taylor.
Document 11: Victoria's Secret Fashion Show 2010: The Victoria's Secret Fashion Show is an annual fashion show sponsored by Victoria's Secret, a brand of lingerie and sleepwear. Victoria's Secret uses the show to promote and market its goods in high-profile settings. The show features some of the world's leading fashion models, such as current Victoria's Secret Angels Adriana Lima, Alessandra Ambrosio, Behati Prinsloo, Candice Swanepoel, Rosie Huntington-Whiteley Erin Heatherton, Lily Aldridge, and Chanel Iman. Miranda Kerr and Doutzen Kroes both missed this year's show due to their pregnancies.
Document 12: Angellika Morton: Angellika started modeling in Washington DC during the mid 1980s as a straight size model. Eventually, she ended up with Ford as a plus size model. She has done photo shoots for Talbots, Chatherines, Lane Bryant, Evans, Ulla Popken, Just My Size and others.
Document 13: Victoria's Secret Fashion Show 2009: The Victoria's Secret Fashion Show is an annual fashion show sponsored by Victoria's Secret, a brand of lingerie and sleepwear. Victoria's Secret uses the show to promote and market its goods in high-profile settings. The show features some of the world's leading fashion models, such as current Victoria's Secret Angels Heidi Klum, Alessandra Ambrosio, Miranda Kerr, Doutzen Kroes, Behati Prinsloo, Candice Swanepoel, Rosie Huntington-Whiteley, Erin Heatherton, and Lindsay Ellingson. Adriana Lima was absent this year due to her pregnancy. Adriana gave birth to her daughter 4 days before to the show.
Document 14: Angela Lindvall: Angela Lindvall (born January 14, 1979) is an American supermodel and actress. Lindvall was discovered by an IMG scout when she was 14 years old, and immediately signed with IMG New York. But she took a break from modeling and returned when she was 17 years old. She featured on the cover of Italian Vogue in 1997, photographed by Steven Meisel. She has been featured on so many top magazine covers in the late 1990s and the early 2000s, such as Vogue, Elle, Harper's Bazaar, Maria Claire, Numero, W, i-D, V and so on. And during the peak of her long career, she is always the world's top designers' favourite, such as Karl Lagerfeld, Miuccia Prada, Stella McCartney. She was Prada Girl and Chanel Girl. She has worked as the face of Chanel, Gucci, Valentino, Prada, Calvin Klein, Miu Miu, Dior, Louis Vuitton, Hermes, Versace, DKNY, Roberto Cavalli, Fendi, Chole, Missoni, Jil Sander, Jimmy Choo. As an actress, she has appeared in several films, including "CQ" in 2001 and "Kiss Kiss Bang Bang" in 2005 and "Small Apartments" in 2010. She was the host of the fashion reality series "Project Runway: All Stars", an extension of the popular series "Project Runway".
Document 15: Audrey Hepburn: Audrey Hepburn ( ; born Audrey Kathleen Ruston; May 4, 1929January 20, 1993) was a British actress, model, dancer and humanitarian. Recognized as a film and fashion icon, Hepburn was active during Hollywood's Golden Age. She was ranked by the American Film Institute as the third-greatest female screen legend in Golden Age Hollywood and was inducted into the International Best Dressed List Hall of Fame.
ground_truth: 14 years old