Question: During the May Event, what was the part of Catalonia controlled by the anarchists called?
Sentence (from "May Days"): The May Days of 1937, sometimes also called May Events, referring to a series of clashes between 3 and 8 May 1937, were a period of civil violence in Catalonia, when factions of the Republican side engaged each other in street battles in various parts of Catalonia, in particular in the city of Barcelona, during the Spanish Civil War.
Relevant evidence: Yes