Problem: Given the following context: Social tensions were exacerbated by the revival of the Ku Klux Klan after 1915. The Tulsa Race Riot broke out in 1921, with whites attacking blacks. In one of the costliest episodes of racial violence in American history, sixteen hours of rioting resulted in 35 city blocks destroyed, $1.8 million in property damage, and a death toll estimated to be as high as 300 people. By the late 1920s, the Ku Klux Klan had declined to negligible influence within the state.During the 1930s, parts of the state began suffering the consequences of poor farming practice. This period was known as the Dust Bowl, throughout which areas of Kansas, Texas, New Mexico and northwestern Oklahoma were hampered by long periods of little rainfall, strong winds, and abnormally high temperatures, sending thousands of farmers into poverty and forcing them to relocate to more fertile areas of the western United States. Over a twenty-year period ending in 1950, the state saw its only historical decline in population, dropping 6.9 percent as impoverished families migrated out of the state after the Dust Bowl. Soil and water conservation projects markedly changed practices in the state and led to the construction of massive flood control systems and dams; they built hundreds of reservoirs and man-made lakes to supply water for domestic needs and agricultural irrigation. By the 1960s, Oklahoma had created more than 200 lakes, the most in the nation.In 1995, Oklahoma City was the site of one of the most destructive acts of domestic terrorism in American history. The Oklahoma City bombing of April 19, 1995, in which Timothy McVeigh detonated a large, crude explosive device outside the Alfred P. Murrah Federal Building, killed 168 people, including 19 children. For his crime, McVeigh was executed by the federal government on June 11, 2001. His accomplice, Terry Nichols, is serving life in prison without parole for helping plan the attack and prepare the explosive.On May 31, 2016, several cities experienced record setting flooding. answer the following question: What is the name of the state that saw its only historical decline in population over a twenty-year period ending in 1950?

A: Oklahoma

Problem: Given the question: Given the following context: Brougham Castle (pronounced ) is a medieval building about 2 miles (3.2 km) south-east of Penrith, Cumbria, England. The castle was founded by Robert I de Vieuxpont in the early 13th century. The site, near the confluence of the rivers, Eamont and Lowther, had been chosen by the Romans for a Roman fort called Brocavum. The castle is scheduled as an Ancient Monument, along with the fort, as "Brougham Roman fort and Brougham Castle".In its earliest form, the castle consisted of a stone keep, with an enclosure protected by an earthen bank and a wooden palisade. When the castle was built, Robert de Vieuxpont was one of the only lords in the region who were loyal to King John. The Vieuxponts were a powerful land-owning family in North West England, who also owned the castles of Appleby and Brough. In 1264, Robert de Vieuxpont's grandson, also named Robert, was declared a traitor, and his property was confiscated by Henry III. Brougham Castle and the other estates were eventually returned to the Vieuxpont family, and stayed in their possession, until 1269, when the estates passed to the Clifford family through marriage. With the outbreak of the Wars of Scottish Independence, in 1296, Brougham became an important military base for Robert Clifford, 1st Baron de Clifford. He began refortifying the castle: the wooden outer defences were replaced with stronger, more impressive stone walls, and a large stone gatehouse was added. The importance of Brougham and Robert Clifford was such that, in 1300, he hosted King Edward I of England at the castle. Robert's son, Roger Clifford, was executed as a traitor, in 1322, and the family estates passed into the possession of King Edward II of England, although they were returned once his son Edward III became king. The region was often at risk from the Scots, and in 1388, the castle was captured and sacked. answer the following question: What is the full name of the person who hosted King Edward I at a castle?
++++++++++++++++++++++++++++++++
The answer is:
Robert Clifford

[Q]: Given the following context: Carmen (French pronunciation: [kamn]; Spanish: [kamen]) is an opera in four acts by French composer Georges Bizet. The libretto was written by Henri Meilhac and Ludovic Halevy, based on a novella of the same title by Prosper Merimee. The opera was first performed by the Opera-Comique in Paris on 3 March 1875, where its breaking of conventions shocked and scandalized its first audiences. Bizet died suddenly after the 33rd performance, unaware that the work would achieve international acclaim within the following ten years. Carmen has since become one of the most popular and frequently performed operas in the classical canon; the "Habanera" from act 1 and the "Toreador Song" from act 2 are among the best known of all operatic arias. The opera is written in the genre of opera comique with musical numbers separated by dialogue. It is set in southern Spain and tells the story of the downfall of Don Jose, a naive soldier who is seduced by the wiles of the fiery gypsy Carmen. Jose abandons his childhood sweetheart and deserts from his military duties, yet loses Carmen's love to the glamorous torero Escamillo, after which Jose kills her in a jealous rage. The depictions of proletarian life, immorality, and lawlessness, and the tragic death of the main character on stage, broke new ground in French opera and were highly controversial. After the premiere, most reviews were critical, and the French public was generally indifferent. Carmen initially gained its reputation through a series of productions outside France, and was not revived in Paris until 1883. Thereafter, it rapidly acquired popularity at home and abroad. Later commentators have asserted that Carmen forms the bridge between the tradition of opera comique and the realism or verismo that characterised late 19th-century Italian opera. The music of Carmen has since been widely acclaimed for brilliance of melody, harmony, atmosphere, and orchestration, and for the skill with which Bizet musically represented the emotions and suffering of his characters.... answer the following question: What year was the opera that received indifference by the French public revived in Paris?
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[A]:
1883