Question: How many people did the terrorist, who was convicted by the Norwegian jurist, kill in his 2011 attacks?

full_context: Document 1: Inga Bejer Engh: Inga Bejer Engh (born 31 December 1970) is a Norwegian jurist and prosecutor. Together with prosecutor Svein Holden she was prosecuting terror suspect Anders Behring Breivik in the 2012 trial following the 2011 Norway attacks.
Document 2: 2017 Manchester Arena bombing: The 2017 Manchester Arena bombing was an Islamic terrorist attack in Manchester, United Kingdom. On 22 May 2017 a shrapnel-laden homemade bomb was detonated as people were leaving Manchester Arena following a concert by the American singer Ariana Grande. Twenty-three people were killed, including the attacker, and 250 were injured.
Document 3: National Socialist Underground: The National Socialist Underground or NSU (German: "Nationalsozialistischer Untergrund" ) was a far-right German terrorist group which was uncovered in November 2011. So far, the following crimes have been attributed to the NSU: the National Socialist Underground murders, a series of murders of nine immigrants (eight Turks and one Greek) between 9 September 2000 and 6 April 2006; the murder of a policewoman and attempted murder of her colleague; the 2001 and 2004 Cologne bombings; and a series of 14 bank robberies. The Attorney General of Germany called the NSU a "right-wing extremist group whose purpose was to kill foreigners, and citizens of foreign origin".
Document 4: Eric Frein: Eric Matthew Frein (born May 3, 1983) is an American domestic terrorist and murderer, convicted and sentenced to death for the 2014 Pennsylvania State Police barracks attack in which he shot and killed one State Trooper, and seriously injured another. A letter to his parents made it clear that he hoped to spark a revolution by his actions.
Document 5: Svein Holden: Svein Holden (born 23 August 1973) is a Norwegian jurist having prosecuted several major criminal cases in Norway. Together with prosecutor Inga Bejer Engh Holden prosecuted terror suspect Anders Behring Breivik in the 2012 trial following the 2011 Norway attacks.
Document 6: Oktoberfest bombing: The Oktoberfest bombing was a terrorist attack with a right-wing radical background. On 26 September 1980, 13 people died and 211 were injured after the explosion of an improvised explosive device at the main entrance of the Oktoberfest in Munich, West Germany. The attack is considered to be the most severe act of terrorism in post-war West Germany. The attack was attributed to the right-wing extremist and geology student Gundolf Köhler who was killed while placing the explosive device; however, doubts remain as to whether he acted alone. Attempts to re-open the investigation in the years following the bombing have not been successful.
Document 7: Eirik Jensen: Eirik Jensen (born 30 July 1957) is a Norwegian drug trafficker and a former policeman. He was convicted of gross corruption and drug trafficking in a high-profile case in 2017, and sentenced to the maximum penalty in Norway, 21 years imprisonment. Jensen has also published a crime novel and an autobiography.
Document 8: Jo Nesbø: Jo Nesbø (] ; born 29 March 1960) is a Norwegian writer, musician, former economist and reporter. As of March 2014 more than 3 million copies of his novels have been sold in Norway, and his work has been translated into over 40 languages, selling 30 million copies worldwide. Nesbø is primarily known for his crime novels about Inspector Harry Hole, but he is also the main vocalist and songwriter for the Norwegian rock band Di Derre. In 2007 Nesbø also released his first children's book, "Doktor Proktors Prompepulver" (English translation: "Doctor Proctor's Fart Powder"). The 2011 film "Headhunters" is based on Nesbø's novel "Hodejegerne (The Headhunters)".
Document 9: Anders Behring Breivik: Anders Behring Breivik (] ; born 13 February 1979), known as Fjotolf Hansen from 2017, is a Norwegian far-right terrorist who committed the 2011 Norway attacks. On 22 July 2011 he killed eight people by detonating a van bomb amid Regjeringskvartalet in Oslo, then shot dead 69 participants of a Workers' Youth League (AUF) summer camp on the island of Utøya. In August 2012 he was convicted of mass murder, causing a fatal explosion, and terrorism.
Document 10: Ragnhild Hennum: Ragnhild Helene Hennum (born 11 June 1967) is a Norwegian jurist, academic administrator and women's rights leader. She is Professor of Public Law at the University of Oslo Faculty of Law and served as Pro-Rector of the University of Oslo, the university's second highest official, 2014–2017. She previously served as the university's Vice-Rector 2009–2014. Hennum's research fields are criminal law, criminal procedure and sociology of law, and she is a specialist on child sexual abuse, sexual violence in general and forced marriage. She is President of the Norwegian Women's Lobby, the umbrella organisation for the Norwegian women's movement.
Document 11: Eric Rudolph: Eric Robert Rudolph (born September 19, 1966), also known as the Olympic Park Bomber, is an American domestic terrorist convicted for a series of anti-abortion and anti-gay-motivated bombings across the southern United States between 1996 and 1998, which killed two people and injured over 120 others.
Document 12: Umar Farouk Abdulmutallab: Umar Farouk Abdulmutallab (Arabic: عمر فاروق عبد المطلب ; also known as Umar Abdul Mutallab and Omar Farooq al-Nigeri; born December 22, 1986) popularly referred to as the "Underwear Bomber", is a Nigerian man who, at the age of 23, confessed to and was convicted of attempting to detonate plastic explosives hidden in his underwear while on board Northwest Airlines Flight 253, en route from Amsterdam to Detroit, Michigan, on Christmas Day, 2009.
Document 13: Svein Berge: Svein Berge (born 17 February 1976 in Tromsø, Norway) is a Norwegian electronic musician who makes up half of the duo Röyksopp.
Document 14: Varg Vikernes: Varg Vikernes (] ; born Kristian Larsson Vikernes, 11 February 1973; legally Louis Cachet) is a Norwegian musician and writer. In 1991, he founded the one-man music project Burzum, which is considered one of the most influential black metal acts. Three years later, he was convicted of murder and arson, and subsequently served over 14 years in prison.
Document 15: Timothy McVeigh: Timothy James McVeigh (April 23, 1968 – June 11, 2001) was an American domestic terrorist convicted and executed for the detonation of an ammonium nitrate fertilizer and nitromethane truck bomb in front of the Alfred P. Murrah Federal Building in Oklahoma City on April 19, 1995. Commonly referred to as the Oklahoma City bombing, the attack killed 168 people and injured over 600. According to the United States government, it was the deadliest act of terrorism within the United States prior to the September 11 attacks, and remains the most significant act of domestic terrorism in United States history.
ground_truth: eight