Question: Richard Nieuwenhuizen served as a volunteer linesman at a youth football match in a city comprised of 6 what?
Sentence (from "Death of Richard Nieuwenhuizen"): Richard Nieuwenhuizen (aged 41) was a Dutch man who was attacked and fatally injured on 2 December 2012 after serving as a volunteer linesman at a youth football match in Almere in which his youngest son was playing for the home team.
Relevant evidence: Yes