context: Maximilian (Max) Ernst Gustaf Oker-Blom (May 5, 1863 Helsinki - October 10, 1917 Helsinki) [1] [2] was a Finnish professor of hygiene and pioneer in medicine in Finland. Oker-Blom brought the Central European School Hygiene School to Finland and was appointed the first school doctor in Helsinki in 1905.
question: When did Professor Oker-Blom die?
answers.text: October 10, 1917