Question: What is the nickname of the footballer who scored both of Ajax's goals in the 2006 KNVB Cup Final?

Context paragraphs:
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.

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.

Wim Gupffert: Wim Gupffert ((1894--)18 1894 – (1958--)27 1958 ) was a Dutch male footballer.  He was part of the Netherlands national football team, playing 3 matches and scoring 2 goals.  He played his first match on 9 June 1919, a friendly match against Sweden where he scored one goal.  Two other Ajax players debuted in this match as well, namely Theo Brokmann and Henk Hordijk.  On club level he played for AFC Ajax.  He scored 3 goals in 3 matches during the 1916-17 KNVB Cup.

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.

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.

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.

Klaas-Jan Huntelaar: Dirk Jan Klaas "Klaas-Jan" Huntelaar (] ; born 12 August 1983), nicknamed "The Hunter", is a Dutch professional footballer who plays as a striker for Ajax and the Netherlands national team.

2006 KNVB Cup Final: The 2006 KNVB Cup Final was a football match between Ajax and PSV on 7 May 2006 at De Kuip, Rotterdam.  It was the final match of the 2005–06 KNVB Cup competition.  Ajax won 2–1, both of their goals being scored by Klaas-Jan Huntelaar.  Michael Lamey scored for PSV.

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.

AFC Ajax in the KNVB Cup: AFC Ajax in the KNVB Cup.  Below are all the KNVB Cup matches played by AFC Ajax.  In the seasons 1954/55, 1955/56 and 1959/60 there was no national cup in the Netherlands.  AFC Ajax have won the KNVB Cup a total of 18 times.  The matches are sorted by season.  The goalscorers are shown in the right box.

Supporting paragraphs: 2006 KNVB Cup Final Klaas-Jan Huntelaar
Answer: "The Hunter"