Question:  2011–12 FC Schalke 04 season's top scorer is known by what nickname?

full_context: Document 1: 2017–18 FC Schalke 04 season: The 2017–18 FC Schalke 04 season is the 114th season in the football club's history and 27th consecutive and 50th overall season in the top flight of German football, the Bundesliga, having been promoted from the 2. Bundesliga in 1991. In addition to the domestic league, Schalke 04 are also participating in this season's edition of the domestic cup, the DFB-Pokal. This is the 17th season for Schalke in the VELTINS-Arena, located in Gelsenkirchen, North Rhine-Westphalia. The season covers a period from 1 July 2017 to 30 June 2018.
Document 2: 2008–09 VfB Stuttgart season: During the 2008–09 VfB Stuttgart season, the club was a genuine contender for the Bundesliga title, losing out only to VfL Wolfsburg and Bayern Munich and finishing in third position. Striker Mario Gómez scored 24 goals in the Bundesliga campaign, only to then make a shock switch to rivals Bayern for the highest-received transfer fee in the club's history.
Document 3: 2002–03 FC Schalke 04 season: FC Schalke 04 had another disappointing season, in which it failed to qualify for the Champions League. New coach Frank Neubarth did not last long, and was sacked and replaced by captain Marc Wilmots in the dugout. Once again, goalscoring was at a premium, with top scorer Victor Agali managing only seven in total. The end result was 7th place in Bundesliga, barely even qualifying for the Intertoto Cup.
Document 4: FC Schalke 04: Fußballclub Gelsenkirchen-Schalke 04 e. V., commonly known as FC Schalke 04 (] ), Schalke or abbreviated as S04 (] ), is a professional German association-football club and multi-sports club originally from the district of Gelsenkirchen, North Rhine-Westphalia. The "04" in the club's name derives from its formation in 1904. Schalke has long been one of the most popular professional football teams and multi-sports club in Germany, even though major successes have been rare since the club's heyday in the 1930s and early 1940s. Schalke play in the Bundesliga, the top tier of the German football league system. As of December 2015, the club has 140,000 members, making it the second-largest sports club in Germany and the sixth-largest sports club in the world in terms of membership. Other activities offered by the club include athletics (track and field), basketball, handball, table tennis, winter sports and eSports.
Document 5: 2011–12 Esteghlal F.C. season: The 2011–12 season are the Esteghlal Football Club's 11th season in the Iran Pro League, and their 18th consecutive season in the top division of Iranian football. They are also competing in the Hazfi Cup and AFC Champions League, and 67th year in existence as a football club. Mojtaba Jabbari and Arash Borhani both with 13 goals are the top scorers of Esteghlal.
Document 6: Marc Overmars: Marc Overmars (] , born 29 March 1973) is a Dutch former footballer and the current director of football at Ajax. During his footballing career, he played as a winger and was renowned for his speed and technical skills.
Document 7: 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.
Document 8: Pierre van Hooijdonk: Petrus Ferdinandus Johannes "Pierre" van Hooijdonk (] ; born 29 November 1969) is a retired Dutch international footballer who played as a striker. He had spells with clubs across Europe where he was a prolific goal scorer. Van Hooijdonk was capped 46 times for the Dutch national team for whom he scored 14 goals, and played in the 1998 FIFA World Cup, Euro 2000 and Euro 2004. He was also noted for his spectacular free kicks.
Document 9: Arjen Robben: Arjen Robben (] ; born 23 January 1984) is a Dutch professional footballer who plays for German club Bayern Munich and is the captain of the Netherlands national team. He is a forward who usually plays as a left or right sided winger, known for his dribbling skills, speed, crossing ability and his accurate left foot long-range shots from the right wing.
Document 10: Jan Vennegoor of Hesselink: Johannes "Jan" Vennegoor of Hesselink (] ; born 7 November 1978) is a Dutch former footballer who last played for PSV Eindhoven. He formerly played for the Netherlands national team as a striker. He played for clubs such as the Dutch Eredivisie's FC Twente and PSV Eindhoven, the Scottish Premier League's Celtic, Hull City of the English Premier League and Rapid Vienna of Austria's Bundesliga.
Document 11: 2011–12 FC Schalke 04 season: The 2011–12 season is the 108th season in Schalke 04's history. The team will compete in the Bundesliga, DFB-Pokal and the UEFA Europa League. The team's top scorer is Klaas-Jan Huntelaar with 29 goals in the Bundesliga and 48 in total.
Document 12: Demy de Zeeuw: Demy Patrick René de Zeeuw (] ; born 26 May 1983) is a Dutch footballer who last played for NAC Breda and the Netherlands national football team. He is a defensive midfielder described as a good tackler and a gifted passer of the ball. He previously played for AGOVV, Go Ahead Eagles, AZ and AFC Ajax. While at AZ he was a key player in the squad that won the 2008–09 Dutch league, the club's first championship victory in 28 years. Following this success he transferred to Ajax, with whom he won the 2009–10 Dutch Cup, and the 2010–11 Dutch league title.
Document 13: 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 14: AFC Ajax: Amsterdamsche Football Club Ajax (] ), also AFC Ajax, Ajax Amsterdam or simply Ajax, is a Dutch professional football club based in Amsterdam. Historically, Ajax (named after the legendary Greek hero) has been the most successful club in the Netherlands, with 33 Eredivisie titles and 18 KNVB Cups. It has continuously played in the Eredivisie, the Dutch football top division, since its inception in 1956 and, along with Feyenoord and PSV, it is one of the country's "big three" clubs that have dominated that competition.
Document 15: Luuk de Jong: Luuk de Jong (] , born 27 August 1990) is a Dutch footballer, who plays as a forward for PSV Eindhoven and the Netherlands football team.
ground_truth: "The Hunter"