The Walloon Legion (French: "Légion Wallonie" ) was a collaborationist volunteer unit recruited from Belgium's French-speaking population in Wallonia and Brussels during the German occupation of World War II. The Walloon Legion served in the Wehrmacht, later in the Waffen-SS, on the Eastern Front on both front line and reserve duties.

Can we draw the following conclusion?
There are some French speakers in Brussels.

Choose your answer from:
 (1). Yes.
 (2). It's impossible to say.
 (3). No.
(1).