Question: 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?

Context paragraphs:
2008 KNVB Cup Final: The 2008 KNVB Cup Final was a football match between Feyenoord and Roda JC on 27 April 2008 at De Kuip, Rotterdam.  It was the final match of the 2007–08 KNVB Cup competition.  Feyenoord beat Roda JC 2–0 after goals from Denny Landzaat and Jonathan de Guzmán.  It was their eleventh KNVB Cup triumph.

2014 KNVB Cup Final: The 2014 KNVB Cup Final was a football match between PEC Zwolle and Ajax on 20 April 2014 at De Kuip, Rotterdam.  It was the final match of the 2013–14 KNVB Cup competition.  PEC Zwolle beat Ajax 5–1 to secure their first KNVB Cup trophy.

2009 KNVB Cup Final: 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 2008–09 KNVB Cup competition.  Heerenveen beat FC Twente on penalties after the match finished 2–2 after extra time.  It was the side's first KNVB Cup trophy.

2011–12 AFC Ajax season: During the 2011–12 season AFC Ajax participated in the Dutch Eredivisie, the KNVB Cup, the UEFA Champions League and the UEFA Europa League.  The first training took place on 27 June 2011.  The traditional AFC Ajax Open Day will be held on 3 August 2011, followed by a testimonial match for the retired former Ajax goalkeeper Edwin van der Sar.

1997 KNVB Cup Final: The 1997 KNVB Cup Final was a football match between Roda JC and Heerenveen on 8 May 1997 at De Kuip, Rotterdam.  It was the final match of the 1996–97 KNVB Cup competition and the 79th KNVB Cup final.  Roda won 4–2 after goals from Gerald Sibon, Ger Senden, Eric van der Luer and Maarten Schops.  It was the side's first KNVB Cup trophy.

Edwin van der Sar: Edwin van der Sar OON (] ) (born 29 October 1970) is a Dutch former professional footballer who played as a goalkeeper.  During his career he played for Ajax, Juventus, Fulham and Manchester United.  He is the second most capped player in the Netherlands national team's history.  He currently works as the chief executive officer at Ajax.  He came out of retirement to play for Dutch amateur team VV Noordwijk.

2000 KNVB Cup Final: The 2000 KNVB Cup Final was a football match between NEC and Roda JC on 21 May 2000 at De Kuip, Rotterdam.  It was the final match of the 1999–2000 KNVB Cup competition.  Roda JC won 2–0 after goals from Bob Peeters and Eric van der Luer.  It was their second KNVB Cup win.

Fireworks incident: The Fireworks incident (Dutch, "Vuurwerkincident") was a very serious case of Football hooliganism which took place on Easter Sunday, 20 April 2014 in De Kuip, Rotterdam, during the KNVB Cup final match between AFC Ajax and PEC Zwolle.  Mass amounts of fireworks, flares and smoke bombs were launched into the penalty box around Ajax goalkeeper Kenneth Vermeer in the early minutes of the match, which had been thrown onto the pitch by the Ajax hooligan firm VAK410 twice in the early build up of the game.  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.

Kim Yong-dae: Kim Yong-dae (born 11 October 1979) is a South Korean football goalkeeper who plays for the K League Classic club Ulsan Hyundai.  Despite not playing for South Korea since 2008, he is considered one of South Korea's best goalkeepers even to the point where he has been nicknamed by fans as "Yong Der Sar" in reference to former Dutch goalkeeper Edwin van der Sar of Manchester United and the Netherlands.

2007 KNVB Cup Final: The 2007 KNVB Cup Final was a football match between AZ and Ajax on 6 May 2007 at De Kuip, Rotterdam.  It was the final match of the 2006–07 KNVB Cup competition.  Ajax beat AZ on penalties after the match finished 1–1 after extra time.  It was Ajax' 17th KNVB Cup title.

Supporting paragraphs: Fireworks incident Edwin van der Sar
Answer: Zwolle