Claim: There were 6 clubs that played in the 2010-2011 season of the Belgian National Badminton League ( badminton is a racquet sport played using racquets to hit a shuttlecock across a net).
Evidence: CSB Ixelles Everbergse Lebad Pluimplukkers Saive Webacsa W & L1 W & L2 
For this season, the 8 participating clubs are the following: