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?

full_context: Document 1: 2006–07 Eredivisie: The 2006/2007 season of the Eredivisie began on August 18, 2006. The season saw PSV Eindhoven quickly building a gap with the other teams. After 20 matches, the club was 11 points ahead of AZ and 12 points ahead of Ajax. The lead quickly dissipated in the 13 matches that followed. A draw of PSV at FC Utrecht in the penultimate round saw AZ and Ajax catching up. The three clubs were all on 72 points from 33 matches, with the AZ on top due to goal difference. Ajax were second, PSV were third. AZ suffered a shock defeat at league minnows Excelsior Rotterdam in the final round, playing with 10 men after 15 minutes in the game. Ajax won 0-2 at Willem II, and PSV beat Vitesse 5-1. PSV and Ajax both finished on 75 points, but PSV finished first due to a better goal difference (+50, against +49 for Ajax) to end one of the most exciting and closest title races in many years.
Document 2: 2014 Johan Cruyff Shield: The 2014 Johan Cruyff Shield was the nineteenth Johan Cruyff Shield (Dutch: "Johan Cruijff Schaal"), an annual Dutch football match played between the winners of the previous season's Eredivisie and KNVB Cup. The match was contested by PEC Zwolle, the 2013–14 KNVB Cup winners, and Ajax, champions of the 2013–14 Eredivisie. It was held at the Amsterdam Arena on 3 August 2014. PEC Zwolle won the match 1–0.
Document 3: 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.
Document 4: 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.
Document 5: Frank Rijkaard: Franklin Edmundo "Frank" Rijkaard (] ; born 30 September 1962) is a Dutch former footballer and former manager who played as a midfielder or defender. Rijkaard has played for Ajax, Real Zaragoza and Milan and represented the Netherlands national team side 73 times, scoring 10 goals. In his managerial career, he has been at the helm of the Netherlands national team, Sparta Rotterdam, Barcelona, Galatasaray and the Saudi Arabia national team.
Document 6: David de Gea: David de Gea Quintana (] ; born 7 November 1990) is a Spanish professional footballer who plays as a goalkeeper for English club Manchester United and the Spain national team. He has been hailed as one of the best goalkeepers in the world.
Document 7: Edwin Zoetebier: Eduard Andreas Dominicus Hendricus Jozef ("Edwin") Zoetebier (] ) (born 7 May 1970 in Purmerend, North Holland) is a former football goalkeeper from the Netherlands, who started his professional career in the 1988-1989 season playing for FC Volendam. He later served Sunderland, Feyenoord, Vitesse Arnhem, PSV Eindhoven and NAC Breda. Zoetebier signed for Sunderland in the summer of 1997 as back up to Lionel Pérez. However, he left in January 1998 having made just two appearances for the club (both in the League Cup). His career highlight was being the starting goalkeeper for Feyenoord in the 2002 UEFA Cup Final against Borussia Dortmund as the Dutch club won 3-2. He also played in the 2002 UEFA Super Cup against Real Madrid which saw the Spanish side prevail 2-1. He was also an unplayed member of the Feyenoord side which won the Eredivisie in 1998-99 and the Dutch Super Cup in 1999 as Jerzy Dudek was the team's first-choice goalkeeper.
Document 8: Jasper Cillessen: Jacobus Antonius Peter "Jasper" Cillessen (] ; born 22 April 1989) is a Dutch professional footballer who plays as a goalkeeper for Spanish club FC Barcelona and the Netherlands national team.
Document 9: 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.
Document 10: Ron Vlaar: Ron Peter Vlaar (] ; born 16 February 1985) is a Dutch footballer who plays as a centre back for AZ Alkmaar in the Dutch Eredivisie, having returned to play at his first professional club. Vlaar is a regular at centre back for the Netherlands national team and has played for and captained both Feyenoord and Aston Villa.
Document 11: 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.
Document 12: 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.
Document 13: 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.
Document 14: 1994–95 AFC Ajax season: During the 1994–95 Dutch football season, AFC Ajax competed in the Eredivisie. Ajax won a league-cup double. They won their 25th Dutch title in style, not losing a single match all season and scoring 106 goals. Ajax also won their fourth European Cup, defeating A.C. Milan 1-0 in the final. This Ajax squad is considered to be one of the best teams in football history.
Document 15: 2009 Johan Cruyff Shield: The 2009 Johan Cruyff Shield was held on 25 July 2009 in the Amsterdam Arena. The match featured the 2008–09 Eredivisie champions AZ and 2008–09 KNVB Cup winners Heerenveen. The match inaugurated the 2009–10 season in Dutch football.
ground_truth: Zwolle