Generate a topic word for the given sentence. A topic word is usually the name of a person, place, animal, concept or object the sentence is focusing on.

[Q]: the saint petersburg stadium (russian: Стадион Санкт-Петербург; also called the krestovsky stadium or zenit arena) is an association football stadium in saint petersburg, russia.
[A]: saint petersburg stadium


[Q]: zabno (polish: żabno) is a town in poland.
[A]: zabno


[Q]: mariloup wolfe (born 3 january 1978) is a canadian actress from montreal, quebec.
[A]:
mariloup wolfe