In this task, you're given a passage, further information available on a particular linked term from the statement, and an answer term. Your job is to generate a question that can use the information provided to obtain the given answer. You should use the information on both passage and link information to create the question. Note that the answer to the question should be exactly the given answer, and if the answer is none, the answer to the question shouldn't be obtainable from the passage or linked information.

Passage: About 460, Roman diplomat and bishop Sidonius Apollinaris sent a letter to Riothamus asking his help to quell unrest among the Brettones, British colonists living in Armorica; this letter still survives. In the year 470, Western Emperor Anthemius began a campaign against Euric, king of the Visigoths who were campaigning outside their territory in Gaul. Anthemius requested help from Riothamus, and Jordanes writes that he crossed the ocean into Gaul with 12,000 soldiers. The location of Riothamus' army was betrayed to the Visigoths by Arvandus, the jealous praetorian prefect of Gaul, and Euric defeated him in the Battle of Deols after Riothamus army was driven from Avaricum (Bourges) where he had been welcomed by the Bituriges before the fight. Riothamus was last seen retreating northward to Burgundy when Euric besieged Arvernum (Clermont-Ferrand) just south of the Bituriges territory.
Link Information: A letter of Sidonius's addressed to Riothamus, "King of the Brittones" (c. 470) is of particular interest, since it provides evidence that a king or military leader with ties to Britain lived around the time frame of King Arthur. The best edition is that in the Monumenta Germaniae Historica (Berlin, 1887), Answer: Berlin
Where is the letter that Sidonius Apollinaris sent to Riothamus currently being held?

Passage: Politically, he was a democrat and he opposed abolitionism. At the start of the Civil War, Budd offered his services to the Union and was placed in command of the gunboat . The Penguin was initially a part of the North Atlantic Blockading Squadron, but joined the Potomac Flotilla on August 19, 1861. In October she shifted to the South Atlantic Blockading Squadron. He participated in the bombardment of Hilton Head in November. During that battle, the Penguin was disabled, and Budd ordered that a tug tow the ship into range so that it could continue to bombard the harbor. In December 1861, Budd assisted escaped slaves around Edisto Island, South Carolina while supporting activities in that area while under the command of Percival Drayton. He was killed in a skirmish at Mosquito Inlet on the east coast of Florida near Smyrna on March 22, 1862. He was buried in Buffalo's Forest Lawn Cemetery.
Link Information: Forest Lawn Cemetery is a historic rural cemetery in Buffalo, New York Answer: New York
In what state was Budd buried?

Passage: However, Berman concurs with many on the right on a number of issues, particularly foreign policy and trade. Berman voted in support of the invasion of Iraq in both 1991 and 2003, as well as for the FISA Amendments Act of 2008, positions that have hurt his standing among many liberals in his district. While he generally supports free trade - for instance, voting in favor of the North American Free Trade Agreement (NAFTA) and various trade agreements with specific countries -, he voted against the more recent Central America Free Trade Agreement (CAFTA). He opposes withdrawing U.S. support for the World Trade Organization. In that same year, he also voted to phase out many farm subsidy programs put into place by the administration of President Franklin Delano Roosevelt as part of the "New Deal."
Link Information: none Answer: none
How many years has the U.S. supported the World Trade Organization?