Question: What country of origin does Billy L. Sullivan and The Golden Girls have in common?

full_context: Document 1: Billy Ripken: William Oliver Ripken (born December 16, 1964), nicknamed Billy The Kid, is an American former infielder in Major League Baseball from 1987 –1998 for the Baltimore Orioles (1987–92, '96), Texas Rangers (1993–94, '97), Cleveland Indians (1995), and Detroit Tigers (1998). He is 6 ft tall and weighs 180 lb . During his career, he batted and threw right-handed. He is the younger brother of Hall of Famer Cal Ripken, Jr.. He currently serves as a radio host for XM Satellite Radio and a studio analyst for MLB Network.
Document 2: Buddy Foster: Lucius Fisher "Buddy" Foster IV (born July 12, 1957) is an American former child actor. Beginning his professional acting career at the age of eight, Foster is perhaps best known for his roles in various television series throughout the late 1960s and early 1970s. He is the older brother of film and television actress Jodie Foster.
Document 3: Billy L. Sullivan: Billy L. Sullivan (born May 24, 1980) is an American actor. He played Oliver Webb, foster son to the manager of the Palace in the Golden Girls spin off The Golden Palace. In 2008, he produced the teen drama film "Faded Memories". Billy is also the brother of actor Michael Sullivan.
Document 4: The Golden Girls: The Golden Girls is an American sitcom created by Susan Harris that originally aired on NBC from September 14, 1985, to May 9, 1992, with a total of 180 half-hour episodes spanning over seven seasons. The show stars Beatrice Arthur, Betty White, Rue McClanahan, and Estelle Getty, as four older women who share a home in Miami, Florida. It was produced by Witt/Thomas/Harris Productions, in association with Touchstone Television, and Paul Junger Witt, Tony Thomas, and Harris served as the original executive producers.
Document 5: Dorothy Zbornak: Dorothy Zbornak (née Petrillo) is a fictional character from the TV series "The Golden Girls", portrayed by Bea Arthur for 7 years and 183 episodes. Dorothy was the strong, smart, sarcastic, sometimes intimidating, and arguably most grounded of the four women in the house. Though tough, she is normally friendly, polite and does genuinely care for the other girls. In the 1000th issue of "Entertainment Weekly", Dorothy Zbornak was selected as the Grandma for "The Perfect TV Family."
Document 6: Estelle Getty: Estelle Getty (née Scher; also known as Estelle Gettleman; July 25, 1923 – July 22, 2008) was an American actress and comedian, who appeared in film, television, and theatre. She was best known for her role as Sophia Petrillo on "The Golden Girls" from 1985 to 1992, which won her an Emmy and a Golden Globe, on "The Golden Palace" from 1992 to 1993, and on "Empty Nest" from 1993 to 1995. In her later years, after retiring from acting, she battled Lewy body dementia.
Document 7: Blanche Devereaux: Blanche Devereaux (née Hollingsworth) is one of the four main fictional characters on the 1985–1992 NBC sitcom "The Golden Girls", and its CBS spin-off "The Golden Palace". In the pilot episode, her last name was given as Hollingsworth, but this was somewhat "corrected" in later episodes by making this her maiden name. Blanche was portrayed by Rue McClanahan for 8 years and 206 episodes.
Document 8: Liam Sullivan: Liam Sullivan (May 18, 1923 – April 19, 1998) was an American actor and singer, originally from Jacksonville, Illinois. He began acting while a student at Illinois College and continued in theater at Harvard University. In 1951 he began his career on Broadway appearing in "The Constant Nymph".
Document 9: The Golden Girls (season 1): The first season of the American television comedy series The Golden Girls originally aired on NBC in the United States between September 14, 1985 and May 10, 1986. Created by television writer Susan Harris, the series was produced by Witt/Thomas/Harris Productions and Touchstone Television. It stars Bea Arthur, Rue McClanahan, Betty White, and Estelle Getty as the main characters Dorothy Zbornak, Blanche Devereaux, Rose Nylund, and Sophia Petrillo. The series revolves around the lives of four elderly women living together in a house in Miami.
Document 10: William Baldwin: William Joseph "Billy" Baldwin (born February 21, 1963) is an American actor, producer and writer known for his starring roles in such films as "Flatliners" (1990), "Backdraft" (1991), "Sliver" (1993), "Fair Game" (1995), "Virus" (1999), "Double Bang" (2001), as Johnny 13 in "Danny Phantom" (2004–2007), "Art Heist" (2004), "The Squid and the Whale" (2005), as himself in "Forgetting Sarah Marshall" (2008), as Senator Patrick Darling in the drama series "Dirty Sexy Money" (2007–2009), as Batman/Bruce Wayne on "" (2010), as William van der Woodsen on "Gossip Girl" until December 2012, and as Gordon Flint on "Parenthood".
Document 11: The Golden Girls: Their Greatest Moments: The Golden Girls: Their Greatest Moments is a 2003 American television special celebrating the 1985–1992 sitcom "The Golden Girls" starring Bea Arthur, Rue McClanahan, and Betty White. It originally aired on Lifetime on June 2, 2003.
Document 12: Jeremy Foley (actor): Jeremy Foley (born Geronimo Jeremiah Foley on February 20, 1983) is an American actor. Foley is perhaps best known for his appearance as Billy in the "Buffy the Vampire Slayer" episode "Nightmares", as well as his supporting role of Griffen Lowe in the Nickelodeon show "Caitlin's Way".
Document 13: Billy Mitchell (EastEnders): William "Billy" Mitchell is a fictional character from the BBC soap opera "EastEnders", played by Perry Fenwick, who made his first appearance on 2 November 1998. Billy was introduced by producer Matthew Robinson as a guest character facilitating the introduction of Jamie Mitchell to the show. In the storyline, Billy is Jamie's abusive uncle and guardian, and Jamie is taken away from Billy by his relative Phil Mitchell. Billy was brought back to the serial on 2 August 1999 and Fenwick was offered a longer-term contract, Billy becoming a regular character. Billy has been described as a "runt of a man who's a catalyst for trouble". However, during his time on EastEnders, he has developed from a bully and fiend into a kind, devoted, caring and loyal father to his children and grandchildren. Frequently portrayed as a small-time criminal, Billy is a luckless character who often struggles financially. His most prominent storylines include two failed marriages and having a daughter born with Down's syndrome. Fenwick filmed his 1000th episode on 6 August 2010.
Document 14: Rose Nylund: Rose Nylund (née Lindström) is a fictional character featured on the popular 1980s situation comedy "The Golden Girls", and its spin-off "The Golden Palace". She was portrayed by Betty White for 8 years, totaling 208 episodes. Rose was originally supposed to be played by Rue McClanahan, whereas Blanche Devereaux, one of Rose's roommates, was to be played by White. However, Jay Sandrich, the director of the show, suggested that Betty and Rue switch parts. He felt that Betty would be a better fit for Rose because she had already played Sue Ann Nivens in the television show "The Mary Tyler Moore Show", which is similar to the character of Blanche Devereaux. In a January 2017 interview with Katie Couric, White stated she jumped at the opportunity to take the role of Rose, noting she loved the character and describing Rose as "so innocent, not the brightest nickel in the drawer, but funny."
Document 15: Billy Aaron Brown: Billy Aaron Brown (born July 28, 1981), is an American actor. He is best known for playing the character Kyle on the sitcom "8 Simple Rules".
ground_truth: American