Question: In what year did the cast member of My Worst Nightmare win Best Actress?

full_context: Document 1: Hélas pour moi: Hélas pour moi (English: "Alas for Me" or "Oh Woe is Me") is a 1993 French film directed by Jean-Luc Godard and starring Gérard Depardieu. This film is inspired by the legend of Alcmene and Amphitryon and attempts to show the desire of a god to experience the truth of human desire, suffering and pleasure.
Document 2: The Piano: The Piano is a 1993 New Zealand drama film about a mute piano player and her daughter, set during the mid-19th century in a rainy, muddy frontier backwater town on the west coast of New Zealand. It revolves around the musician's passion for playing the piano and her efforts to regain her piano after it is sold. It was written and directed by Jane Campion and stars Holly Hunter, Harvey Keitel, Sam Neill, and Anna Paquin in her first acting role. The film's score by Michael Nyman became a best - selling soundtrack album, and Hunter played her own piano pieces for the film. She also served as sign language teacher for Paquin, earning three screen credits. The film is an international co-production by Australian producer Jan Chapman with the French company Ciby 2000.
Document 3: Juliette Binoche: Juliette Binoche (; born 9 March 1964) is a French actress, artist and dancer. She has appeared in more than 60 feature films, been the recipient of numerous international awards, and has appeared on stage and in movies across the world. Coming from an artistic background, she began taking acting lessons during adolescence. After performing in several stage productions, she began acting in films by auteur directors Jean-Luc Godard ("Hail Mary", 1985), Jacques Doillon ("Family Life", 1985) and André Téchiné, who made her a star in France with the leading role in his 1985 drama "Rendez-vous". Her sensual performance in her English-language debut "The Unbearable Lightness of Being" (1988), directed by Philip Kaufman, launched her international career.
Document 4: Four Nights of a Dreamer: Four Nights of a Dreamer () is a 1971 French drama film directed by Robert Bresson and starring Isabelle Weingarten. The film was entered into the 21st Berlin International Film Festival. The film is loosely based on the story "White Nights" written by Fyodor Dostoyevsky.
Document 5: 2011 Cannes Film Festival: The 64th Cannes Film Festival was held from 11 to 22 May 2011. American actor Robert De Niro served as the president of the jury for the main competition and French filmmaker Michel Gondry headed the jury for the short film competition. South Korean film director Bong Joon-ho was the head of the jury for the Caméra d'Or prize, which is awarded to the best first-time filmmaker. The American film "The Tree of Life", directed by Terrence Malick won the Palme d'Or.
Document 6: White Material: The film stars Isabelle Huppert as Maria Vial, a struggling French coffee producer in an unnamed French speaking African country, who decides to stay at her coffee plantation in spite of an erupting civil war. The film was well received, earning high ratings and appearing in several movie critics' top lists for 2010.
Document 7: Michael Haneke: Haneke's feature film debut was 1989's The Seventh Continent, which served to trace out the violent and bold style that would bloom in later years. Three years later, the controversial Benny's Video put Haneke's name on the map. Haneke achieved great success in 2001 with the critically successful French film The Piano Teacher. It won the prestigious Grand Prize at the 2001 Cannes Film Festival and also won its stars, Benoît Magimel and Isabelle Huppert, the Best Actor and Actress awards. He has worked with Juliette Binoche (Code Unknown in 2000 and Caché in 2005), after she expressed interest in working with him. Haneke frequently worked with real-life couple Ulrich Mühe and Susanne Lothar – thrice each.
Document 8: Georges Delerue: The French newspaper "Le Figaro" named him "the Mozart of cinema." Delerue was the first composer to win three consecutive César Awards for "Get Out Your Handkerchiefs" (1979), "Love on the Run" (1980), and "The Last Metro" (1981). Georges Delerue was named Commander of Arts and Letters, one of France's highest honours.
Document 9: The Possessed (1988 film): The Possessed () is a 1988 French drama film directed by Andrzej Wajda and starring Isabelle Huppert. It was entered into the 38th Berlin International Film Festival.
Document 10: 4th Yerevan Golden Apricot International Film Festival: The 4th Yerevan Golden Apricot International Film Festival was a film festival held in Yerevan, Armenia from 9–14 July 2007. More than 120 films from around the world were presented during the festival with attendance from contemporary filmmakers such as Bruno Dumont, Leos Carax, Carla Garapedian, Lee Chang-dong, Andrey Zvyagintsev, Aurora Quattrocchi and Tchéky Karyo. Paolo and Vittorio Taviani (Italy), directors of "The Lark Farm" (Opening Film of the Festival) were honored with Lifetime Achievement Awards. The international juries, headed by An Cheong-sook (South Korea), Martin Schweighofer (Austria), Vigen Chaldranyan (Armenia) awarded the following prizes: "Golden Apricot 2007 for the Best Feature Film" to Ulrich Seidl for his film "Import/Export" (Austria); "Golden Apricot 2007 for the Best Documentary Film" to Vardan Hovhannisyan for his film "A Story of People in War and Peace" (Armenia) and "Golden Apricot 2007 for the Best Film" in the "“Armenian Panorama”" to "Screamers" by Carla Garapedian (UK). Vardan Hovhannisyan ("A Story of People in War and Peace") was awarded with the FIPRESCI and Ecumenical Jury Prizes and Carla Garapedian ("Screamers") was also awarded the Ecumenical Jury Price.
Document 11: Academy Award for Best Director: 1976 - Wertmüller! Lina Wertmüller for Seven Beauties 1993 - Campion! Jane Campion for Piano! The Piano 2003 - Coppola! Sofia Coppola for Lost in Translation 2009 - Bigelow! Kathryn Bigelow for Hurt! The Hurt Locker 2017 - Greta Gerwig for Lady Bird
Document 12: The Nightmare: The Nightmare is a 1781 oil painting by Anglo-Swiss artist Henry Fuseli. It shows a woman in deep sleep with her arms thrown below her, and with a demonic and apelike incubus crouched on her chest.
Document 13: My Worst Nightmare: My Worst Nightmare (original title: Mon pire cauchemar) is a 2011 French-Belgian comedy-drama film written and directed by Anne Fontaine, starring Isabelle Huppert, Benoît Poelvoorde and André Dussollier.
Document 14: Belphegor, Phantom of the Louvre: Belphegor, Phantom of the Louvre () is a 2001 French fantasy film directed by Jean-Paul Salomé and starring Sophie Marceau, Michel Serrault, Frédéric Diefenthal, and Julie Christie. Written by Salomé, Danièle Thompson, and Jérôme Tonnerre, the film is about a mummy's spirit that possesses a woman (Sophie Marceau) in the Paris museum. Loosely based on the 1927 horror novel "Belphégor" by Arthur Bernède, this film is the third dramatized adaptation, following the first film in 1927, and a TV miniseries in 1965. "Belphegor, Phantom of the Louvre" was filmed on location at the Musée du Louvre, the first feature film to be shot in part inside the world-famous museum.
Document 15: Violette Nozière: Violette Nozière is a 1978 French crime film directed by Claude Chabrol and starring Isabelle Huppert and Stéphane Audran. The film, based on a true French murder case in 1933, is about an eighteen-year-old girl named Violette and her encounters with a number of older men. The film had a total of 1,074,507 admissions in France.
ground_truth: 2001
sub_queries: My Worst Nightmare >> cast member Answer: Isabelle Huppert
What year did Isabelle Huppert win best Actress? Answer: 2001