Edwin van der Sar spoke to the crowd after the fireworks incident on April 20, 2014 during the KNVB Cup final match. Which team won that game?
Fireworks incident:  After a 30 minute recess in which marketing director Edwin van der Sar addressed the crowd, Ajax would go on to lose the match 5–1 to Zwolle. Edwin van der Sar: Edwin van der Sar OON (] ) (born 29 October 1970) is a Dutch former professional footballer who played as a goalkeeper.
i don't know