In this task, you are given a set of context paragraphs, some supporting facts and an answer of a question. Your task is to generate question for given answer based on set of context paragraphs, supporting facts and an answer.

Ex Input:
Context_1 : Marc Dos Santos (born May 26, 1977) is a Canadian soccer manager with experience in the United Soccer League, North American Soccer League, and Major League Soccer. He currently is the manager of the San Francisco Deltas of the North American Soccer League, beginning play in the 2017 season. Most recently, he was the manager of the Swope Park Rangers of the United Soccer League, an affiliate of Sporting Kansas City of Major League Soccer. The North American Soccer League Coach of the Year in 2015, Dos Santos led the Ottawa Fury FC to the NASL Championship Final after a first-place finish in the Fall Season. Previously, he focused on youth initiatives in Brazil with FC Primeira Camisa (U-20's) and SE Palmeiras (U-15's), culminating with a Copa do Brasil Sub-15 championship and a technical director position with Desportivo Brasil. The Montreal native was first hired by the Montreal Impact in January 2007 to lead the club's reserve team, Trois-Rivieres Attak FC, in the Canadian Soccer League. After leading the squad to titles in their initial two seasons first as 2007 Open Canada Cup champions, then as 2008 CSL National Division champions Dos Santos was added to the Impact's technical staff as an assistant coach in June 2008 and became head coach in May 2009. During his tenure, the Impact won the inaugural Canadian Championship in 2008 to claim the Voyageurs Cup and a berth in the 2008-09 CONCACAF Champions League. Dos Santos then led Montreal through three different leagues in consecutive campaigns, winning the USL First Division title in 2009 before transitioning into USSF Division 2 in 2010 and the North American Soccer League in 2011. Context_2 : The Music According to Antonio Carlos Jobim (Portuguese: A Musica Segundo Tom Jobim ) is a 2012 Brazilian documentary film, directed by Nelson Pereira dos Santos and Dora Jobim that tells the history of the singer and songwriter Tom Jobim. Context_3 : Antonio Carlos dos Santos Aguiar (born 22 June 1983), or simply Antonio Carlos, is a Brazilian footballer who plays for Avai as a central defender. Context_4 : The Swiss Challenge League or Brack.ch Challenge League is a professional league and the second highest tier of the Swiss football league system. Ten teams play in the Challenge League. The winners of the league are promoted to the Super League, the bottom team is relegated to the 1. Liga Promotion. Context_5 : Antonio Carlos Dos Santos (born October 3, 1979) is a Brazilian footballer who plays as a midfielder for Swiss Challenge League club Schaffhausen. He is feared for his dangerous free kicks. Context_6 : Neider dos Santos is a Brazilian football coach who is currently the manager of Jamaican club side Montego Bay United. He has previously managed Simba SC in Tanzania, as well as the youth teams of Brazilian clubs Vasco da Gama and Botafogo, plus the national teams of Cayman Islands and Guyana. Dos Santos took over as manager of Jamaican club Village United in late 2010, having spent the previous four years as manager of the Bahamas national team. After leaving Jamaican club Village United in early 2011, Dos Santos was hired by newly promoted Montego Bay United in October 2011. Context_7 : Joao Carlos dos Santos or simply known as Joao Carlos (born 10 September 1972 in Sete Lagoas, Brazil) is a Brazilian former footballer who played as a defender. He played for the Brazilian national team at 1999 Copa America in Paraguay. Context_8 : Carlos dos Santos Rodrigues (born 13 January 1995), known as Carlos Ponck or simply Ponck, is a Cape Verdean professional footballer who plays as a midfielder for Portuguese club C.D. Aves on loan from Benfica. Context_9 : The Portuguese Basketball League Cup (Taca da Liga) is a competition for Portuguese teams that play in LPB. It was played by the clubs of the former LCB, which was a professional league. After the LCB folded in 2008, the League Cup ended as well. In the 200910 season, the competition was restarted as Hugo dos Santos Cup (Taca Hugo dos Santos), in honor of the former president of the Portuguese Basketball Federation. Context_10 : Anibal Antonio "Anibalzinho" dos Santos Junior (Anibal dos Santos, born 1971 or 1972) is a Portuguese criminal convicted of masterminding the November 22, 2000, murder of Carlos Cardoso, a journalist investigating bank fraud in Mozambique's Central Bank (BCM). After a first trial "in absentia" in 2003, one failed and two successful escapes and two extraditions (from South Africa and Canada), dos Santos was sentenced to 30 years imprisonment in January 2006. Dos Santos maintained his innocence throughout the trial. As of April, 2008, dos Santos remained in Mozambican custody and was investigated in another murder case, that of BCM lawyer Albano Silva. fact_1 : Antonio Carlos Dos Santos (born October 3, 1979) is a Brazilian footballer who plays as a midfielder for Swiss Challenge League club Schaffhausen. fact_2 : Ten teams play in the Challenge League. Answer: Ten

Ex Output:
How many teams play in this league in which Antonio Carlos Dos Santoss club Schaffhausen competes?

Ex Input:
Context_1 : Vienna (also known as Orson Welles' Vienna or Spying in Vienna) is a 1968 short film directed by Orson Welles. It was originally produced as part of his abandoned television special, Orson's Bag, which was made for CBS; but in 1969, with the project close to completion, CBS withdrew their funding over Welles' long-running disputes with US authorities regarding his tax status. The film remained uncompleted. Despite its name, "Vienna" freely mixes footage shot in Vienna, Zagreb, and in a Los Angeles studio. The 8-minute segment was restored by the Munich Film Museum in 1999. Context_2 : Rockwell is the grandson of the Russian animator Alexandre Alexeieff, who invented the pinscreen, and of Alexandra Grinevsky, Countess de Lowendhal. His grandmother was a stage actress in Paris, as well as an artist. His father was also an actor and filmmaker. His mother, Svetlana Rockwell, was born in Paris and emigrated to the US to marry Alex's father; she was a painter. Rockwell grew up in Cambridge, MA and moved to New York City in his early 20s. Context_3 : The Trial (1962) is a film directed by Orson Welles, who also wrote the screenplay based on the novel of the same name by Franz Kafka. Filmed in Europe, Welles stated immediately after completing the film: ""The Trial" is the best film I have ever made". The film begins with Welles narrating Kafka's parable "Before the Law" to pinscreen scenes created by the artist Alexandre Alexeieff. Anthony Perkins stars as Josef K., a bureaucrat who is accused of a never-specified crime, and Jeanne Moreau, Romy Schneider, and Elsa Martinelli play women who become involved in various ways in Josef's trial and life. Welles plays the Advocate, Josef's lawyer and the film's principal antagonist. Context_4 : The Southern Star (French title: L'Etoile du sud) is a Technicolor 1969 British-French comedy crime film directed by Sidney Hayers and starring George Segal, Ursula Andress and Orson Welles. In French West Africa in 1912, an extremely valuable diamond is stolen. It was based on the novel "The Vanished Diamond" (French title "L'Etoile du sud") by Jules Verne. The film's opening scenes were anonymously directed by Orson Welles - the last time he would direct scenes in another director's film. Context_5 : Alexandre Alexandrovitch Alexeieff (Russian: "Aleksandr Aleksandrovich Alekseyev" (sometimes credited as Alexander Alexeieff or Alexander Alexeieff or Alexandre Alexieff); 18 April 1901 9 August 1982) was a Russian Empire-born artist, filmmaker and illustrator who lived and worked mainly in Paris. He and his second wife Claire Parker (19061981) are credited with inventing the pinscreen as well as the animation technique totalization. In all Alexeieff produced 6 films on the pinscreen, 41 advertising films and illustrated 41 books. Context_6 : Around the World with Orson Welles is a series of six short travelogues originally written and directed by Orson Welles for Associated-Rediffusion in 1955, for Britain's then-new ITV channel. Despite its title emphasizing the world, it was entirely filmed in Europe. Among other incidents in the episodes, Welles visited Jean Cocteau and Juliette Greco in Paris, attended a bullfight in Madrid (with co-hosts Kenneth Tynan and Elaine Dundy) and visited the Basque Country. Context_7 : Me and Orson Welles is a 2008 British-American period drama film directed by Richard Linklater and starring Zac Efron, Christian McKay, and Claire Danes. Based on Robert Kaplow's novel of the same name, the story, set in 1937 New York, tells of a teenager hired to perform in Orson Welles's groundbreaking stage adaptation of William Shakespeare's "Julius Caesar". He becomes attracted to a career-driven production assistant. Context_8 : The Mercury Wonder Show for Service Men was a 1943 magic-and-variety stage show by the Mercury Theatre, produced by Orson Welles and Joseph Cotten as a morale-boosting entertainment for US soldiers in World War II. Directed by Welles, the show starred Welles ("Orson the Magnificent"), Cotten ("Jo-Jo the Great"), Agnes Moorehead ("Calliope Aggie") and Rita Hayworth, whose part was later filled by Marlene Dietrich. Jean Gabin also worked on the show backstage, as a propman. The show ran to 150 minutes. Context_9 : Richard France (born May 5, 1938) is an American playwright, author, and film and drama critic. He is a recognized authority on the stage work of American filmmaker Orson Welles. His publication, "The Theatre of Orson Welles", which received a CHOICE Outstanding Academic Book Award in 1979, has been called "a landmark study" and has been translated into Japanese. His 1990 companion volume, "Orson Welles on Shakespeare" has been praised by Welles critics and biographers. Context_10 : Beatrice Giuditta Welles (Beatrice Mori di Gerfalco Welles; born November 13, 1955 in Manhattan, New York) is an American former child actress, known for her roles in the film "Chimes at Midnight" (1966) and the documentary travelogue "In the Land of Don Quixote" (1964). The daughter of filmmaker Orson Welles and Italian countess Paola Mori, she is a former model, radio and TV personality, founder of a cosmetics line and designer of handbags and jewelry. She administers the estate of Orson Welles. fact_1 : The Trial (1962) is a film directed by Orson Welles, who also wrote the screenplay based on the novel of the same name by Franz Kafka. fact_2 : Alexandre Alexandrovitch Alexeieff (Russian: "Aleksandr Aleksandrovich Alekseyev" (sometimes credited as Alexander Alexeieff or Alexander Alexeieff or Alexandre Alexieff); 18 April 1901 9 August 1982) was a Russian Empire-born artist, filmmaker and illustrator who lived and worked mainly in Paris. Answer: 1962

Ex Output:
The Trial, released in which year, is a film directed by Orson Welles, the film begins with Welles narrating Kafkas parable Before the Law to pinscreen scenes created by the artist Alexandre Alexeieff, was a Russian Empireborn artist, filmmaker and illustrator who lived and worked mainly in Paris?

Ex Input:
Context_1 : The British L-class submarine was originally planned under the emergency war programme as an improved version of the British E-class submarine. The scale of change allowed the L class to become a separate class. Context_2 : HMS "L27" was a L-class submarine built for the Royal Navy during World War I. The boat was not completed before the end of the war and was one of three L-class boats to serve during World War II. She served as training boat before being broken up in 1944. Context_3 : HMS "L23" was a L-class submarine built for the Royal Navy during World War I. The boat was not completed before the end of the war and was one of three L-class boats to serve during World War II. "L23" was sold for scrap in 1946. Context_4 : Type L submarine may refer to one of the following classes of submarines based on the British L-classsubmarine : Context_5 : The Leninets or L class were the second class of submarines to be built for the Soviet Navy. They were minelaying submarines and were based on the British L-class submarine, HMS"L55" , which was sunk during the British intervention in the Russian Civil War. Some experience from the previous "Dekabrist"-classsubmarine s was also utilised. The boats were of the saddle tank type and mines were carried in two stern galleries as pioneered on the pre-war "Krab" , the world's first minelaying submarine. These boats were considered successful by the Soviets and 25 were built in four groups between 1931 and 1941. Groups 3 and 4 had more powerful engines and higher speed. Context_6 : HMS "L33" was a British L-class submarine built by Swan Hunter, Wallsend. She was launched on 29 May 1919 and was commissioned on an unknown date. She was armed with six torpedo tubes Context_7 : The Yugoslav submarine "Hrabri" was the first of the "Hrabri"-class diesel-electric submarines built by the Vickers-Armstrong Naval Yard on the River Tyne in the United Kingdom, for the Kingdom of Serbs, Croats and Slovenes (later Yugoslavia). Launched in 1927, her design was based on that of the British L-class submarine of World War I, and she was built using parts originally assembled for a submarine of that class which was never completed. She was armed with six bow-mounted 533 mm torpedo tubes, two 102 mm guns and one machine gun, and could dive to 60 m . Context_8 : The Yugoslav submarine "Nebojsa" was the second of the "Hrabri"-class diesel-electric submarines built by the Vickers-Armstrong Naval Yard on the River Tyne in the United Kingdom, for the Kingdom of Serbs, Croats and Slovenes (later Yugoslavia) and was launched in 1927. Her design was based on that of the British L-class submarine of World War I, and she was built using parts originally assembled for a Royal Navy L-class submarine that was never built. She was armed with six bow-mounted 533 mm torpedo tubes, two 102 mm guns and one machine gun, and could dive to 60 m . Context_9 : The British E class submarines started out as improved versions of the British D class submarine. The E class served with the Royal Navy throughout World War I as the backbone of the submarine fleet. The last surviving E class submarines were withdrawn from service by 1922. Context_10 : The "Hrabri" class consisted of two submarines built by the Vickers-Armstrong Naval Yard, on the River Tyne, in the United Kingdom, for the Kingdom of Serbs, Croats and Slovenes (later Yugoslavia). Launched in 1927, the vessels were named "Hrabri" (Brave) and "Nebojsa" (Fearless). Their design was based on that of the British L-class submarine of World War I, and they were built using parts originally assembled for L-class submarines that were never completed. The "Hrabri"-class were the first submarines to serve in the Royal Yugoslav Navy, and the class was joined by the two smaller French-made "Osvetnik"-class submarine s to make up the pre-war Yugoslav submarine force. They were armed with six bow-mounted 533 mm torpedo tubes, two 102 mm guns and one machine gun, and could dive to 60 m . fact_1 : The British L-class submarine was originally planned under the emergency war programme as an improved version of the British E-class submarine. fact_2 : The E class served with the Royal Navy throughout World War I as the backbone of the submarine fleet. Answer: World War I

Ex Output:
The British Lclass submarine is an improved version of a submarine that served throughout which war ?