The 2009 KNVB Cup Final was a football match between Heerenveen and FC Twente on 17 May 2009 at De Kuip, Rotterdam. It was the final match of the 200809 KNVB Cup competition. Heerenveen beat FC Twente on penalties after the match finished 22 after extra time. It was the side's first KNVB Cup trophy.

Can we draw the following conclusion?
Heerenveen has won a KNVB Cup
Yes