Question: What year was the actress portraying Buffy Summers born?

full_context: Document 1: Angel (Buffy the Vampire Slayer episode): "Angel" is the seventh episode of season 1 of the television series "Buffy the Vampire Slayer". It was written by co-executive producer David Greenwalt and directed by Scott Brazil. The narrative follows Buffy Summers (Sarah Michelle Gellar), vampire slayer, coming to terms with her feelings for Angel (David Boreanaz), who is revealed to be a vampire cursed with a soul. However, Darla (Julie Benz) is playing a deadly game manipulating both Buffy and Angel to the Master's (Mark Metcalf) will.
Document 2: The Initiation of Sarah: The Initiation of Sarah is a 1978 made for TV film that was directed by Robert Day. It first aired on ABC on February 6, 1978 and starred Kay Lenz as a shy, withdrawn young woman who discovers that she has psychic powers after joining a sorority. The film achieved some controversy upon its initial airing on television as part of the film's plot involved Morgan Fairchild wearing a wet T-shirt after being thrown into a fountain, something that had not been previously shown in a made-for-TV movie.
Document 3: Michelle Williams on screen and stage: Michelle Williams is an American actress who has appeared in film, television and stage. Her first screen appearance was at the age of 13 in a 1993 episode of the television series "Baywatch", and she made her film debut as the love interest of the teenage lead in "Lassie" (1994). She subsequently had guest roles in the television sitcoms "Step by Step" and "Home Improvement" and played the younger version of Natasha Henstridge's character in the science fiction film "Species" (1995). Greater success came to Williams when she began starring as the sexually troubled teenager Jen Lindley in the teen drama "Dawson's Creek" (1998–2003). In 1999, she made her stage debut with the Tracy Letts-written play "Killer Joe", in which she played the naive young daughter of a dysfunctional family.
Document 4: Master (Buffy the Vampire Slayer): The Master is a fictional character on the action-horror/fantasy television series "Buffy the Vampire Slayer" (1997–2003). He is a centuries-old vampire portrayed by Mark Metcalf, determined to open the portal to hell below Sunnydale High School in the fictional town of Sunnydale where the main character Buffy Summers lives. The premise of the series is that Buffy (Sarah Michelle Gellar) is a Slayer, a teenage girl endowed with superhuman strength and other powers which she uses to kill vampires and other evil beings. Each season of the series Buffy and the small group of family and friends who work with her, nicknamed the Scooby Gang, must defeat an evil force referred to as the Big Bad; the villain is usually trying to bring on an apocalypse. The Master is the first season's Big Bad.
Document 5: Jennifer Love Hewitt: Jennifer Love Hewitt (born February 21, 1979) is an American actress, television producer and director, singer/songwriter and author. Hewitt began her acting career as a child by appearing in television commercials and the Disney Channel series "Kids Incorporated". She rose to fame for her role as Sarah Reeves Merrin on the Fox teen drama "Party of Five" (1995–99). She later starred in the horror film "I Know What You Did Last Summer" (1997) and its 1998 sequel.
Document 6: You're Undead to Me: "You're Undead to Me" is the fifth episode of the first season of The CW television series, "The Vampire Diaries" and the fifth episode of the series overall. It originally aired on October 8, 2009. The episode was written by Sean Reycraft and Gabrielle Stanton and directed by Kevin Bray.
Document 7: Sarah Hyland: Sarah Jane Hyland (born November 24, 1990) is an American actress. Born in New York City, Hyland attended the Professional Performing Arts School in Manhattan, followed by small roles in the films "Private Parts" (1997), "Annie" (1999), and "Blind Date" (2007). She gained her first major role as Haley Dunphy on the ABC sitcom "Modern Family", for which she has received critical acclaim and numerous accolades and nominations, sharing four Screen Actors Guild Award for Outstanding Performance by an Ensemble in a Comedy Series with her cast members and garnering a Critics' Choice Television Award nomination Best Supporting Actress in a Comedy Series.
Document 8: Melissa Joan Hart: Melissa Joan Hart (born April 18, 1976) is an American actress, voice actress, director, producer, singer, fashion designer, and businesswoman. She is known for her title roles in the sitcoms "Clarissa Explains It All" (1991–1994), "Sabrina the Teenage Witch" (1996–2003), and "Melissa & Joey" (2010–2015).
Document 9: Graduation Day (Buffy the Vampire Slayer): "Graduation Day" is the season finale of the WB Television Network's third season of the drama television series "Buffy the Vampire Slayer", consisting of the twenty-first and twenty-second episodes. They were written and directed by series creator Joss Whedon. "Part 1" first aired on May 18, 1999 and "Part 2" first aired on July 13, 1999. The second part was to originally be aired on May 25, 1999, but was postponed due to the episode's content and the occurrence of the Columbine High School shootings one month prior.
Document 10: Dawn Summers: Dawn Summers is a fictional character created by Joss Whedon and introduced by Marti Noxon and David Fury on the television series "Buffy the Vampire Slayer", portrayed by Michelle Trachtenberg. She made her debut in the premiere episode of the show's fifth season and subsequently appeared in every episode of its remaining three seasons. Within the series, Dawn is the little sister of main character Buffy Summers (Sarah Michelle Gellar), a girl chosen by fate to be a vampire Slayer. Whedon introduced Dawn to the series because he wanted to introduce a character with whom Buffy could have an intensely emotional non-romantic relationship.
Document 11: Michelle Trachtenberg: Michelle Christine Trachtenberg (born October 11, 1985) is an American actress. She is known for portraying Nona F. Mecklenberg in "The Adventures of Pete & Pete" (1994–96), Dawn Summers in "Buffy the Vampire Slayer" (2000–03), Celeste in "Six Feet Under" (2004), and Georgina Sparks in "Gossip Girl" (2008–12). She has also appeared in films such as "Harriet the Spy" (1996), "Inspector Gadget" (1999), "EuroTrip" (2004), "Ice Princess" (2005), "Black Christmas" (2006), "17 Again" (2009), "Cop Out" (2010), "Weeds" (2011), and "Killing Kennedy" (2013).
Document 12: Friday Night Bites: "Friday Night Bites" is the third episode of the first season of The CW television series, "The Vampire Diaries" and the third episode of the series overall. It originally aired on Thursday, September 24, 2009. The episode was written by Barbie Kligman and Bryan M. Holdman and directed by John Dahl.
Document 13: 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 14: Sarah Michelle Gellar: Sarah Michelle Gellar ( ; born April 14, 1977) is an American actress, producer, and entrepreneur. After being spotted by an agent at the age of four in New York City, she made her acting debut in the made-for-TV movie "An Invasion of Privacy" (1983). Gellar went on to appear in numerous television series and commercials. Her first leading part was in the 1992 miniseries "Swans Crossing", for which she was nominated for two Young Artist Awards, and her television breakthrough came in 1993, when she originated the role of Kendall Hart on the ABC daytime soap opera "All My Children", winning the 1995 Daytime Emmy Award for Outstanding Younger Actress in a Drama Series.
Document 15: Never Kill a Boy on the First Date: "Never Kill a Boy on the First Date" is the fifth episode of the first season of the television series "Buffy the Vampire Slayer". The episode was written by story editors Rob Des Hotel and Dean Batali, and directed by David Semel. The narrative follows Buffy Summers (Sarah Michelle Gellar), as she struggles to find a date and stop the rise of the Anointed One.
ground_truth: 1977