instruction:
In this task, you are given a set of context paragraph and some supporting facts to answer a question. Your task is to generate answer for given question based on set of context paragraphs and supporting facts.
question:
Context_1 : Näsinneula is an observation tower in Tampere, Finland, overseeing Lake Näsijärvi. It was built in 1970–1971 and was designed by Pekka Ilveskoski. It is the tallest free-standing structure in Finland and the tallest observation tower in the Nordic countries at a height of 168 m . The tower opened in 1971 and is located in the Särkänniemi amusement park. There is a revolving restaurant in the tower 124 m above the ground; one revolution takes 45 minutes. The design of Näsinneula was inspired by the Space Needle in Seattle. The idea of a revolving restaurant was taken from the Puijo tower in Kuopio. Context_2 : Kherson TV Tower (Ukrainian: Херсонська телевежа "Kherson TV Tower") is a 200 m tall space framed Ukrainian truss communications tower that is made of steel. The building is uniquely built, having been built by using the cross bracing system. The tower is a truss TV tower, specifically, a Vierendeel truss tower, wherein a structure's members are not triangulated but form rectangular openings instead (see Vierendeel Truss). The tower has an antenna that measures 199.95 m and a roof that measures 189.89 m . The tower, possessing a total height of 200 m , is also considered the tallest structure in the whole oblast (province) of Kherson'ka. Context_3 : Endem TV Tower is a TV tower in Beylikdüzü, Istanbul, Turkey. It was built between 1998 and 2002, and has a now closed revolving restaurant 154 m above ground, as well as an observation deck at 160 m . The total height of the tower si 257 m including the antenna. Context_4 : Baghdad Tower (Arabic: برج بغداد‎ ‎ ) (previously called International Saddam Tower) is a 205 m TV tower in Baghdad, Iraq. The tower opened in 1994 and replaced a communications tower destroyed in the Gulf War. A revolving restaurant and observation deck are located on the top floor. After the 2003 invasion of Iraq, the tower was occupied by American soldiers and was renamed. Context_5 : Bantiger TV Tower is a 196 metre tall tower used for FM- and TV-transmission at on the Bantiger mountain, a mountain east of Berne situated in the municipality of Bolligen. The Bantiger TV Tower was built between 1991 and 1996 as replacement of a 100 metres tall radio tower, built in 1954. Context_6 : The Cağaloğlu Hamam, finished in 1741, is the last hamam to be built in the Ottoman Empire. It was constructed in Istanbul Eminönü, in Alemdar, on Hilal-i Ahmer street as a public hamam to raise revenue for the library of Sultan Mahmud I, previously situated inside the mosque of Ayasofya. It was begun by one of the head architects of that time, Suleyman Aga, and finished by Abdullah Aga. It is the last example of its kind to be built in Istanbul and is still operational today. Context_7 : The Puijo tower is an observation tower at the top of Puijo hill in Kuopio, Eastern Finland. The tower, opened in 1963, is 75 m tall and has a revolving restaurant with 100 seats. It was the first tower with a revolving restaurant in the Nordic countries. The restaurant was an inspiration to Erkki Lindfors, the mayor of Tampere, who got the idea to build a similar one in his home town, resulting in the Näsinneula tower, which opened in 1971. The current Puijo tower has been visited by over 5.5 million tourists. Context_8 : Święty Krzyż TV Tower ( Polish: RTCN Święty Krzyż ) is the tallest free-standing TV tower in Poland. (Taller architectural structures in Poland are guyed masts or highrise buildings and chimneys equipped with antennas). Święty Krzyż TV Tower, which was built in 1966, is a 157 metre tall concrete TV tower situated near the monastery on Łysa Góra. Święty Krzyż TV Tower is not accessible by tourists. The hyperbolic-shaped basement floors resemble those of the Ochsenkopf TV Tower in Germany. Context_9 : St Martins Tower is a 140 m office building in Perth, Western Australia. It was the tallest building in the city from its completion in 1978 for almost 10 years, until it was overtaken in height by the BankWest Tower in 1988. The tower contains a revolving restaurant on level 33, the last floor with windows called "C Restaurant" and is the only revolving restaurant in Western Australia. For years it was informally known as the AAPT Tower, and later The Amcom Building. Context_10 : The Central Radio & TV Tower () is a 405 m telecommunications- and observation tower in Beijing, China. It is the tallest structure in the city, the ninth-tallest tower in the world, and has its observation deck at 238 m . The tower provides panoramic views over the city from its revolving restaurant and observation deck. It is a member of the World Federation of Great Towers. fact_1 : Endem TV Tower is a TV tower in Beylikdüzü, Istanbul, Turkey. fact_2 :  It was built between 1998 and 2002, and has a now closed revolving restaurant 154 m above ground, as well as an observation deck at 160 m . fact_3 :  The total height of the tower si 257 m including the antenna. fact_4 : The Cağaloğlu Hamam, finished in 1741, is the last hamam to be built in the Ottoman Empire. fact_5 :  It was constructed in Istanbul Eminönü, in Alemdar, on Hilal-i Ahmer street as a public hamam to raise revenue for the library of Sultan Mahmud I, previously situated inside the mosque of Ayasofya. fact_6 :  It is the last example of its kind to be built in Istanbul and is still operational today. Question: What city features Endem TV Tower, a 257 m tall tower which once included a revolving restaurant 154 m above ground as well as Cağaloğlu Hamam, the last of its kind public hamam built in 1741 to raise revenue by a library.
answer:
Istanbul, Turkey


question:
Context_1 : Blücher was the second of five "Admiral Hipper"-class heavy cruisers of Nazi Germany's "Kriegsmarine", built after the rise of the Nazi Party and the repudiation of the Treaty of Versailles. Named for Gebhard Leberecht von Blücher, the Prussian victor of the Battle of Waterloo, the ship was laid down in August 1936 and launched in June 1937. She was completed in September 1939, shortly after the outbreak of World War II. After completing a series of sea trials and training exercises, the ship was pronounced ready for service with the fleet on 5 April 1940. Context_2 : Operation Nordseetour was the first Atlantic sortie of the German heavy cruiser "Admiral Hipper" during December, 1940. Context_3 : USS "Northampton" (CL/CA-26) was the lead "Northampton"-class cruiser in service with the United States Navy. She was commissioned in 1930, originally classified a light cruiser because of her thin armor but later reclassified a heavy cruiser because of her 8-inch guns. During World War II she served in the Pacific and was sunk by Japanese torpedoes during the Battle of Tassafaronga on 30 November 1942. She was named after the city of Northampton, Massachusetts, the home of former President Calvin Coolidge. Context_4 : Oscarsborg Fortress (Norwegian: Oscarsborg festning ) is a coastal fortress in the Oslofjord, close to the small town of Drøbak. The best known part is situated on two small islets. The main artillery batteries are on the island Håøya and smaller batteries on the mainland to the west and east in the fjord and was military territory until 2003 when it was made a publicly available resort island. The fortress is best known for sinking the German heavy cruiser "Blücher" on 9 April 1940. In 2014, Oscarsborg Fortress was given protected status, effective from 9 April that year. Context_5 : Émile Bertin was a French fast light cruiser named after Louis-Émile Bertin, a 19th-century naval architect. She was designed to operate both as a minelayer and as a destroyer flotilla leader. The design was the basis for later light and heavy French cruisers, particularly the slightly larger "La Galissonnière" class of cruisers. This was the first French warship to use triple mountings. Context_6 : Operation "Rheinübung" ("Exercise Rhine") was the sortie into the Atlantic by the new German battleship "Bismarck" and heavy cruiser "Prinz Eugen" on 18–27 May 1941, during World War II. This operation to block Allied shipping to the United Kingdom culminated with the sinking of "Bismarck". Context_7 : USS "Birmingham" (CL-62), a "Cleveland"-class light cruiser named for the city of Birmingham, Alabama, the "Steel City", was laid down at the Newport News Shipbuilding and Dry Dock Company of Newport News, Virginia on 17 February 1941 and launched on 20 March 1942 by Mrs. Cooper Green, wife of the president of the Birmingham City Commission. She was commissioned on 29 January 1943, Captain John Wilkes in command. "Birmingham" was one of the "fightingest" ships of the Navy and suffered heavy damage on at least three occasions. Context_8 : The Action of 8 June 1945, sometimes called the Sinking of "Ashigara" was a naval action that resulted in the sinking of the heavy cruiser "Ashigara" of the Imperial Japanese Navy by the British Royal Navy submarine HMS "Trenchant" . "Ashigara"—which was being escorted by the destroyer "Kamikaze" —was being used to transport troops from Indonesia for the defence of Singapore and the sinking resulted in a huge loss of life. Context_9 : HMS "Cornwall", pennant number 56, was a County-class heavy cruiser of the "Kent" sub-class built for the Royal Navy in the mid-1920s. The ship spent most of her pre-World War II career assigned to the China Station. Shortly after the war began in August 1939, she was assigned to search for German commerce raiders in the Indian Ocean. "Cornwall" was transferred to the South Atlantic in late 1939 where she escorted convoys before returning to the Indian Ocean in 1941. She then sank the German auxiliary cruiser "Pinguin" in May. After the start of the Pacific War in December 1941, she began escorting convoys until she was transferred to the Eastern Fleet in March 1942. The ship was sunk on 5 April by dive bombers from three Japanese aircraft carriers during the Indian Ocean Raid. Context_10 : San Demetrio London is a 1943 British World War II docudrama based on the true story of the 1940 salvage of the tanker MV "San Demetrio" by some of her own crew, who reboarded her after she had been set on fire by the German heavy cruiser "Admiral Scheer" and then abandoned, during the Battle of the Atlantic. The film was produced by Michael Balcon for Ealing Studios and directed by Charles Frend. fact_1 : Oscarsborg Fortress (Norwegian: Oscarsborg festning ) is a coastal fortress in the Oslofjord, close to the small town of Drøbak. fact_2 :  The fortress is best known for sinking the German heavy cruiser "Blücher" on 9 April 1940. fact_3 : Blücher was the second of five "Admiral Hipper"-class heavy cruisers of Nazi Germany's "Kriegsmarine", built after the rise of the Nazi Party and the repudiation of the Treaty of Versailles. fact_4 :  Named for Gebhard Leberecht von Blücher, the Prussian victor of the Battle of Waterloo, the ship was laid down in August 1936 and launched in June 1937. Question: Oscarsborg Fortress is best known for sinking the  German heavy cruiser named for the Prussian victor of what?
answer:
the Battle of Waterloo


question:
Context_1 : Bleta "Bebe" Rexha ( ; ] ; born August 30, 1989) is an American singer, songwriter and record producer. She is best known as a featured guest vocalist on several "Billboard" Hot 100 charting songs, such as G-Eazy's "Me, Myself & I", David Guetta's "Hey Mama", Martin Garrix's "In the Name of Love" and Cash Cash's "Take Me Home". She also co-wrote the chart-topping Eminem and Rihanna single "The Monster", among others. In March 2016, she released the single "No Broken Hearts", featuring Nicki Minaj. "I Got You" was released as the lead single from her EP "". "The Way I Are (Dance with Somebody)" was released as the lead single from her third EP "". Context_2 : The discography of American country artist Martina McBride consists of thirteen studio albums, one live album, four compilation albums, two video albums, three additional albums, forty five music videos, fifty one singles, sixteen other charting songs, and forty five album appearances. In 1991, she signed a recording contract with RCA Records, launching her debut studio album "The Time Has Come" in 1992. In September 1993, her second studio album "The Way That I Am" was issued. Its lead single "My Baby Loves Me" reached number two on the "Billboard" Hot Country Songs chart, becoming her breakthrough hit. The third single "Independence Day" peaked in the top twenty and became McBride's signature song. The song's success elevated sales of "The Way That I Am" to platinum status from the Recording Industry Association of America. "Wild Angels" was released in September 1995 and reached number seventeen on the "Billboard" Top Country Albums chart. The album's title track became McBride's first song to top the Hot Country Songs list. McBride's fourth studio album "Evolution" was released in August 1997 and is her best-selling album to date, certifying three times platinum in the United States. The album spawned six singles which all became major hits including, "A Broken Wing", "Wrong Again", and "Whatever You Say". After releasing a holiday album, McBride's fifth studio album "Emotion" was issued in September 1999. The lead single "I Love You" topped the Hot Country Songs list, while also reaching minor positions on the Adult Contemporary and "Billboard" Hot 100 charts. Context_3 : "So Wonderful" is a song by South Korean girl group Ladies' Code. It was released as a digital single on February 13, 2014 by Polaris Entertainment. It is one of the best charting songs they've released to date, with its peak position being 18 on the Billboard Hot 100 K-pop songs, the other one of their higher charting songs was "Hate You". The song is performed in Korean, apart from the English title. Context_4 : Paul Lavon Davis (April 21, 1948 – April 22, 2008) was an American singer and songwriter, best known for his radio hits and solo career which started worldwide in 1970. His career encompassed soul, country, and pop music. Typically, the slower the tempo of a Davis record, the longer it took to reach its peak position. His most successful songs are 1977's "I Go Crazy", a #7 pop hit which once held the record for the longest chart run on the "Billboard" Hot 100, and 1982's "'65 Love Affair", which at #6 is his highest-charting single. In the mid-1980s, he also had two country #1 hits as a guest vocalist on songs by Marie Osmond and Tanya Tucker. Context_5 : Robert L. Smith (born 1965) is a record producer and recording engineer in New York City, USA. His work includes producing, recording and mixing numerous Billboard top 100 charting songs including 'Teenage Dream' and 'Hey, Soul Sister' with The Warblers for hit television show Glee. Robert has worked on recording projects with Lady Gaga for the single 'Speechless' which topped the Billboard Hot Singles Sales Chart in 2010 as well as tracks by Aerosmith, David Bowie, U2 and Stacie Rose. Context_6 : "Hey Mama" is a song by French DJ and record producer David Guetta, featuring vocals from Nicki Minaj and Bebe Rexha, as well as production from Dutch DJ and producer Afrojack. The song was released on 16 March 2015 as the fourth single from Guetta's sixth studio album, "Listen" (2014). Context_7 : "Me, Myself & I" is a song by American rapper G-Eazy and American singer Bebe Rexha, billed together as "G-Eazy x Bebe Rexha". It was released on October 14, 2015, as the first single for his second studio album "When It's Dark Out". "Me, Myself & I" was written by Bebe Rexha, G-Eazy, Lauren Christy, TMS and Michael Keenan. The song was originally produced by Bebe Rexha and TMS and re-produced by Michael Keenan, with additional production by Christoph Andersson and G-Eazy. It is so far the highest-charting single for both G-Eazy and Bebe Rexha, peaking at number 7 on the US "Billboard" Hot 100. It is featured in the "NBA 2K17" soundtrack. Context_8 : "I Can't Stop Drinking About You" is the debut solo single by American singer-songwriter Bebe Rexha. It also serves as the first single off the singer's first extended play "I Don't Wanna Grow Up", which was released in May 2015. The song tells of the singer processing her sadness and anger over a breakup through heavy drinking. The song received positive reviews, with many critics complimenting Rexha's vocals and the instrumental on the track. The track did not enter the US "Billboard" Hot 100 but peaked at number 15 on the Bubbling Under chart, which serves as a 25-song quasi-extension to the Hot 100. Context_9 : Emanuel "Eman" Kiriakou is an American songwriter, producer, record executive, music publisher and multi-instrumentalist, based in Los Angeles. He co-wrote and produced the "Billboard" Hot 100 charting singles "What’s Left of Me" by Nick Lachey, "Crush" by David Archuleta, "Who Says" by Selena Gomez & the Scene, and "Tonight Tonight" by Hot Chelle Rae, which was #1 on the Billboard Hot AC charts. He has also collaborated with Celine Dion, Ne-Yo, MKTO, Demi Lovato, Selena Gomez, Robert DeLong, Jordin Sparks and Backstreet Boys. Context_10 : Listen is the sixth studio album by French DJ and record producer David Guetta. It was released on 21 November 2014. It features collaborations with artists from the R&B, hip hop, alternative rock and pop worlds such as Sam Martin, Emeli Sandé, The Script, Nicki Minaj, John Legend, Nico & Vinz, Ryan Tedder (the lead singer of pop rock band OneRepublic), Sia, Magic!, Bebe Rexha, South African male choral group Ladysmith Black Mambazo, Ms. Dynamite, Elliphant, Birdy, Jaymes Young, Sonny Wilson, Vassy, and Skylar Grey. It also features additional production from Guetta's frequent collaborator Giorgio Tuinfort, Avicii, Afrojack, Nicky Romero, Showtek, and Stadiumx among others, with additional writing credits from Austin Bisnow, Jason Evigan, Julie Frost, and The-Dream among others. fact_1 :  She is best known as a featured guest vocalist on several "Billboard" Hot 100 charting songs, such as G-Eazy's "Me, Myself & I", David Guetta's "Hey Mama", Martin Garrix's "In the Name of Love" and Cash Cash's "Take Me Home". fact_2 : "Hey Mama" is a song by French DJ and record producer David Guetta, featuring vocals from Nicki Minaj and Bebe Rexha, as well as production from Dutch DJ and producer Afrojack. Question: Bleta "Bebe" Rexha, is an American singer, songwriter and record producer, and is best known as a featured guest vocalist on several "Billboard" Hot 100 charting songs, such as "Hey Mama" is a song by French DJ and which record producer? 
answer:

David Guetta