Question: In which district of Prague did the Spartakiad take place?

full_context: Document 1: Olympic Stadium (Moscow): Olympic Stadium, known locally as the Olimpiyskiy or Olimpiski, is a large indoor arena, located in Moscow, Russia. It was built for the 1980 Summer Olympics and, divided into two separated halls, hosted the basketball and boxing events.
Document 2: King Mongkut's Institute of Technology Ladkrabang Stadium: King Mongkut's Institute of Technology Ladkrabang Stadium
Document 3: Ohio Stadium: Ohio Stadium, also known as the Horseshoe, "the Shoe", and "the House that Harley built", is an American football stadium in Columbus, Ohio, United States, on the campus of The Ohio State University. Its primary purpose is the home venue of the Ohio State Buckeyes football team and the Ohio State University Marching Band; it also serves as the site for the university's Spring Commencement ceremonies each May.
Document 4: Bohemia at the Olympics: Bohemia, an autonomous part of Austria-Hungary until 1918, competed at some of the early modern Olympic Games. The team made its debut at the 1900 Summer Olympics. After World War I, Bohemia became part of the new Czechoslovakia, and Bohemian athletes competed for Czechoslovakia at the Olympics. After the 1992 Summer Olympics and the dissolution of Czechoslovakia into the Czech Republic and Slovakia in 1993, Bohemian athletes competed for the Czech Republic at the Olympics. If these post-war appearances are counted, Bohemia has missed only three Olympics: the inaugural 1896 Summer Olympics, the 1904 Summer Olympics (the first held outside Europe) and the boycotted 1984 Summer Olympics.
Document 5: Luzhniki Stadium: Luzhniki Stadium (Russian: Стадион «Лужники» ; ] ), is a sports stadium in Moscow, Russia. Its total seating capacity is 81,000 seats, all covered (upgraded). The stadium is a part of the Luzhniki Olympic Complex, and is located in Khamovniki District of the Central Administrative Okrug of Moscow city. The name "Luzhniki" derives from the flood meadows in the bend of Moskva River where the stadium was built, translating roughly as "The Meadows". Its the biggest stadium in eastern Europe.
Document 6: Strahov Stadium: The Great Strahov Stadium (Czech: Velký strahovský stadion ) is a stadium in the Strahov district of Prague, Czech Republic. It was built for displays of synchronized gymnastics on a massive scale, with a field three times as long as and three times as wide as than the standard Association football pitch.
Document 7: Philippine Sports Stadium: The Philippine Sports Stadium, also known as New Era University (NEU) Stadium, is a football and track stadium at Ciudad de Victoria, a 140-hectare tourism enterprise zone in the towns of Bocaue and Santa Maria in Bulacan, Philippines. The stadium was built right next to the Philippine Arena, the world's largest indoor arena. The stadium is the largest football stadium in the Philippines with a maximum seating capacity of 25,000. Its seating capacity is more than twice the seating capacity of the Rizal Memorial Stadium, the national stadium of the country which has a seating capacity of 12,000.
Document 8: Friedrich-Ludwig-Jahn-Sportpark: Friedrich-Ludwig-Jahn-Sportpark is a sports stadium in the Prenzlauer Berg district of Berlin. It is bordered on the south by Eberswalder Straße, on the north by the Max Schmeling Halle, on the west by Mauerpark, where part of the Berlin Wall once stood. The complex includes a football and athletics stadium as well as several smaller sports fields. The stadium is the second largest in the city after Berlin's Olympiastadion with approximately 20,000 seats, of which 15,000 covered, and has temporarily been used by various Berlin football sides. Following its 2014 advance to the Regionalliga Nordost, Berliner FC Dynamo and the Berlin Adler are now the main users of the stadium.
Document 9: Tanks of Czechoslovakia: This article deals with the history of tanks employed by military forces in Czechoslovakia from the interwar period, and the more conventional tanks designed for the Czech Army before World War II, and the tanks that ended up as Panzers of the German Wehrmacht during World War II, or in the use of other countries who purchased them before the war began.
Document 10: Spartakiad (Czechoslovakia): The Spartakiads or Spartakiades in Czechoslovakia (Czech: "Spartakiáda" , Slovak: "Spartakiáda" ) were mass gymnastics events, designed to celebrate the Red Army's liberation of Czechoslovakia in 1945. They were organised by the Communist government as a replacement of the similar Sokol gatherings, which were disapproved by the regime and discontinued after World War II. The Spartakiads took place at the Strahov Stadium, the largest stadium ever built and the venue of the last pre-war Sokol gathering.
Document 11: Evžen Rošický: Evžen Rošický (15 October 1914 Olomouc - 25 June 1942 Prague) was a Czech athlete and journalist. Stadion Evžena Rošického is a Czech stadium named after him. During World War II, he and his father Jaroslav Rošický were part of the anti-Nazi resistance group "Captain Nemo". Evžen Rošický and his father were arrested on 18 June 1942, and one week later, on 25 June 1942, they were both executed in Prague.
Document 12: Apollo Arena Bratislava: Apollo Arena Bratislava, also known as the Danube Arena, was a proposed a multi-use indoor arena in Bratislava, Slovakia. It was to be used mostly for ice hockey and basketball matches, as well as concerts and similar events. The 2011 IIHF World Championship was to be held in this arena, but later it was decided to renovate the old Ondrej Nepela Arena rather than to build a new stadium, as the city did not possess land in the proposed area between Apollo Bridge and Harbour Bridge on the right bank of Danube river. The arena was supposed to have a capacity of 13,600 people. It was named after the former Apollo refinery, destroyed by carpet bombing by the Allies in the Second World War, which was lying nearby on the left bank of Danube.
Document 13: Olympiastadion (Berlin): Olympiastadion (] ) is a sports stadium in Berlin, Germany. It was originally built for the 1936 Summer Olympics by Werner March. During the Olympics, the record attendance was thought to be over 100,000. Today the stadium is part of the Olympiapark Berlin.
Document 14: Czech Republic motorcycle Grand Prix: The Czech Republic motorcycle Grand Prix is a motorcycling event that is part of the Grand Prix motorcycle racing season. Before 1993, the race was known as the Czechoslovak motorcycle Grand Prix. Since 1965 the race is a part of World Grand Prix serie (between 1982 and 1987 race was held as a part of European Grand Prix serie only).
Document 15: Rungrado 1st of May Stadium: The Rungrado 1st of May Stadium, also known as the May Day Stadium, is a multi-purpose stadium in Pyongyang, North Korea, completed on 1 May 1989. It is the largest stadium in the world, with a total capacity of 114,000. The site occupies an area of 20.7 ha .
ground_truth: Strahov