"Nana's Party" is the fifth episode of the second series of the British dark comedy anthology television programme "Inside No. 9".
 It was first broadcast on 23 April 2015 on BBC Two.
 Written and directed by Steve Pemberton and Reece Shearsmith, the episode starred Claire Skinner as the obsessive-compulsive and aspirational Angela, who is hosting a party for the 79th birthday of her mother Maggie, played by Elsie Kelly.
 Angela's husband Jim, played by Pemberton, is keen to play a prank on Pat, Angela's brother-in-law, who is a practical joker. Pat is played by Shearsmith, while Carol, a recovering alcoholic who is Pat's wife and Angela's sister, is played by Lorraine Ashbourne.
 The episode also features Eve Gordon as Katie, Angela and Jim's teenage daughter, and Christopher Whitlow as a paramedic seen at the beginning and end of the episode.
Maggie Sajak (born January 5, 1995) is an American country singer.
 She is the daughter of "Wheel of Fortune" host and former WSM-TV Nashville news reporter Pat Sajak and photographer Lesly Brown Sajak.
The Pat Sajak Show is an American late-night television talk show which aired on CBS from January 9, 1989 to April 13, 1990.
Timothy “Tim” Landers (born November 1, 1956) is an American musician and bassist, best known for his contribution to the 1970s-80s jazz-fusion genre and his bass work with Al Di Meola, Billy Cobham, Gil Evans Orchestra, among others.
 Landers is also known as a prolific session musician and as a member of Tom Scott's band on the CBS late-night television program ‘’The Pat Sajak Show’’.
Pat Sajak Weekend is a talk show that aired Sunday nights on Fox News Channel and starred Pat Sajak.
 The show debuted in 2003 and was cancelled a few months later.
 Two guests were usually interviewed each week.
 Notable guests included Bob Barker, Joan Rivers, Kelly Ripa, Drew Carey, Jason Alexander, and Merv Griffin.
WNAV is an AM radio station located in Annapolis, Maryland.
 The full-service outlet broadcasts at 1430 kilohertz and is owned by Sajak Broadcasting Corporation, named after and part-owned by game show host Pat Sajak.
 WNAV also uses an AM-to-FM broadcast translator, W260BM, that broadcasts at 99.9 MHz.
Young America's Foundation (YAF) is a conservative youth organization, founded in 1969, whose self-described mission is to ensure that "increasing numbers of young Americans understand and are inspired by the ideas of individual freedom, a strong national defense, free enterprise, and traditional values."
 Alumni members include Jeff Sessions, Stephen Miller and Tom Clancy.
 Donors include Pat Sajak, the Koch brothers, and Amway billionaires Richard and Helen Devos.
 A $16 million legacy gift from Robert Ruhe resulted in a doubled of YAF's programming which includes campus speeches.
 By 2017, YAF had 250 high school and college affiliated known as Young Americans for Freedom, which was originally a separate organization.
Willy Parsons (born September 18, 1959 in San Diego, California) is also known as Wild Willy Parsons.
 A stand-up comedian and an actor.
 He has been in several movies including "The Guardian" directed by William Friedkin and "Nothing to Lose" directed by Steve Oedekerk.
 Willy has also received an Emmy Award in 1985 for his writing on "Technical Difficulties".
 His live CD "American Made" recorded at The Comedy Store was released in 2001.
 A father of 2, daughter Emily and son Jack, is divorced.
 Recently appeared on season 4 of Last Comic Standing and won the favorite comedian online in 2006.
 Opened for Sam Kinison, Pauly Shore and Richard Jeni.
 Toured twice with Andrew Dice Clay.
 Appeared as the comedy relief in several Easyriders Videos as well as appearances on "The Dennis Miller Show", "Late Night with Carson Daly", "Caroline's Comedy Hour", "Evening at the Improv", "The Pat Sajak Show" and Showtime.
Pat Sajak ( , born Patrick Leonard Sajdak; October 26, 1946) is an American television personality, former weatherman, and talk show host, best known as the host of the American television game show "Wheel of Fortune".
Rules of origin are used to determine the country of origin of a product for purposes of international trade.
 There are two common types of rules of origin depending upon application, the preferential and non-preferential rules of origin (19 CFR 102).
 The exact rules vary from country to country, from agreement to agreement.

Question: What country of origin does Maggie Sajak and Pat Sajak have in common?
Answer: American