Question: Are John Williams and Muriel Spark nationals of the same country ?

Context paragraphs:
Loitering with Intent: Loitering With Intent is a novel by Scottish author Muriel Spark.  Published in 1981 by Bodley Head, it was short-listed for the Booker Prize that year.  It contains many autobiographical references to Spark's early career and was reprinted in 2001 by New Directions, in the US, and in 2007 by Virago Press in the UK (with a foreword by Mark Lawson).

Muriel Spark: Dame Muriel Sarah Spark DBE, CLit, FRSE, FRSL (née Camberg; 1 February 1918 – 13 April 2006) was a Scottish novelist, short story writer, poet and essayist.  In 2008, "The Times" named Spark as No. 8 in its list of "the 50 greatest British writers since 1945".

Nasty Habits (film): Nasty Habits is a 1977 British comedy film directed by Michael Lindsay-Hogg, starring Glenda Jackson, Melina Mercouri, Rip Torn and Susan Penhaligon.  It is based on Muriel Spark's novel "The Abbess of Crewe".

John Williams: John Towner Williams (born February 8, 1932) is an American composer, conductor, and pianist.  With a career spanning over six decades, he has composed some of the most popular and recognizable film scores in cinematic history, including "Jaws", the "Star Wars" series, "Close Encounters of the Third Kind", "Superman", "E.T. the Extra-Terrestrial", the "Indiana Jones" series, the first two "Home Alone" films, the first two "Jurassic Park" films, "Schindler's List", and the first three "Harry Potter" films.  Williams has been associated with director Steven Spielberg since 1974, composing music for all but three of his feature films.  Other notable works by Williams include theme music for the Olympic Games, "NBC Sunday Night Football", "The Mission" theme used by NBC News, the television series "Lost in Space" and "Land of the Giants", and the incidental music for the first season of "Gilligan's Island".  Williams has also composed numerous classical concertos and other works for orchestral ensembles and solo instruments.  From 1980 to 1993, he served as the Boston Pops' principal conductor, and is now the orchestra's laureate conductor.

The Prime of Miss Jean Brodie (film): The Prime of Miss Jean Brodie is a 1969 British drama film, based on the novel of the same name by Muriel Spark.  Directed by Ronald Neame, it stars Maggie Smith in the title role as an unrestrained teacher at a girls' school in 1930s Edinburgh.

The Prime of Miss Jean Brodie (novel): The Prime of Miss Jean Brodie is a novel by Muriel Spark, the best known of her works.  It first saw publication in "The New Yorker" magazine and was published as a book by Macmillan in 1961.  The character of Miss Jean Brodie brought Spark international fame and brought her into the first rank of contemporary Scottish literature.  In 2005, the novel was chosen by "Time" magazine as one of the one hundred best English-language novels from 1923 to present.  In 1998, the Modern Library ranked "The Prime of Miss Jean Brodie" No. 76 on its list of the 100 best English-language novels of the 20th century.

Symposium (novel): Symposium is a novel by Scottish author Muriel Spark, published in 1990.  It was regarded by John Mortimer writing in "The Sunday Times" as one of the best novels of that year.

The Abbess of Crewe: The Abbess of Crewe is a novel published in 1974 by Muriel Spark.  It is centred on a Catholic convent in Crewe and the political intrigues surrounding the election of a new abbess, after the death of the former.  It exhibits Spark's typical style of crossing seamlessly between temporal points in the narrative.  Michael Lindsay-Hogg adapted the novel into his film "Nasty Habits", released in 1977.  This book is considered an allegorical treatment of the Watergate scandal.

The Comforters: The Comforters is the first novel by Scottish author Muriel Spark.  She drew on experiences as a recent convert to Catholicism and having suffered hallucinations due to using Dexedrine, an amphetamine then available over the counter for dieting.  Although completed in late 1955, the book was not published until 1957.  A mutual friend, novelist Alan Barnsley, had sent the proofs to Evelyn Waugh.  At the time Waugh was writing "The Ordeal of Gilbert Pinfold," which dealt with his own drug-induced hallucinations.

Samuel Robin Spark: Samuel Robin Spark (9 July 1938 – 6 August 2016) was a Scottish artist.  He was the son of Sidney Oswald Spark and writer Muriel Spark.

Supporting paragraphs: John Williams Muriel Spark
Answer: no