Question: How many people in total were killed in the same shooting that took the life of Garry  Purdham?
Sentence (from "Cumbria shootings"): The Cumbria shootings was a killing spree that occurred on 2 June 2010 when a lone gunman, Derrick Bird, killed 12 people and injured 11 others before killing himself in Cumbria, England.
Relevant evidence: Yes