Question: How many people were killed by a van bomb by the man Inga Bejer Engh prosecuted in a high profile 2012 trial?

Related documents: [0]  [DOC] 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. [END] 
[1]  [DOC] 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. [END]  
Answer: eight
eight