Question: What leading French footballer of Martinique heritage plays as a centre back for Real Madrid?

Context paragraphs:
Alfredo di Stéfano Stadium: The Estadio Alfredo di Stéfano is a multi-purpose stadium in Madrid, Spain.  Named after former Real Madrid footballer Alfredo di Stéfano, the stadiums is currently used for football matches, serving as the home ground of Real Madrid Castilla; the reserve team of Real Madrid.

Luís Pereira: Luís Edmundo Pereira (born June 21, 1949) is a retired association footballer.  He played centre back, in particular with S.E. Palmeiras, Atlético Madrid and the Brazilian national team.  He won national championships in both Brazil and Spain beyond UEFA and the Intercontinental Cup.  Known for his pace and power, as well as his marking and defensive leadership, he was, for a time, considered one of the best defenders in Europe during his time with Atlético Madrid.  However, he was not as highly regarded in Brazil.  While his defending style can be considered "classical," he is also considered the first and best of Brazil's "modern" centre back, a role that would go on to include world-cup winner Lúcio.

Football in Martinique: Association Football is one of the leading sports in Martinique which is an Overseas Department, part of France.  Several of France's leading footballers are of Martinique heritage, including Thierry Henry and Raphaël Varane.

List of Real Madrid C.F. records and statistics: Real Madrid C.F. is a Spanish professional association football club based in Madrid.  The club was formed in 1902 as "Madrid Football 'Club", and played its first competitive match on May 13, 1902, when it entered the semi-final of the Campeonato de Copa de S.M. Alfonso XIII.  Real Madrid currently plays in the Spanish La Liga.  Real Madrid was one of the founding members of La Liga in 1929, and is one of three clubs, including FC Barcelona and Athletic Bilbao, never to have been relegated from the league.  They have also been involved in European football ever since they became the first Spanish club to enter the European Cup in 1955, except for the 1977–78 and 1996–97 seasons.

Lassana Diarra: Lassana Diarra (born 10 March 1985), nicknamed Lass, is a French footballer who currently plays for UAE Pro League side Al Jazira.  His predominant position is defensive midfielder but he can also play in a more advanced role and has played at right back, which he occasionally has done for the France national football team.  Diarra has, in his club footballing career, featured for Chelsea, Arsenal, Portsmouth and Real Madrid.  The Frenchman has also played for Russian clubs Anzhi Makhachkala as well as that of Lokomotiv Moscow.

Real Madrid Baloncesto B: Real Madrid Baloncesto B (English: Real Madrid Basketball B) is the reserve team of Real Madrid.  The team currently plays in the amateur

Raphaël Varane: Raphaël Varane (] ; born 25 April 1993) is a French professional footballer who plays as a centre back for Spanish club Real Madrid and the France national team.

Julien Faubert: Julien Faubert (born 1 August 1983) is a French footballer who plays for FC Inter Turku and has represented both France and Martinique.  He plays as a right winger or midfielder.  Faubert started his footballing career in France with Cannes before moving to Bordeaux.  In 2007, he moved to England to play for West Ham.  In 2009, he spent a short period on loan with Real Madrid before returning to West Ham for the beginning of the 2009–10 season.  He has represented both France U21 and France, the latter on only one occasion, scoring one goal.  In 2014, he made his international debut for Martinique.  He is nicknamed " "Le TGV" " or ""The Express Train"" from his time in French football.

Real Madrid Castilla: Real Madrid Castilla or also known as Real Madrid B is a Spanish football team that plays in Segunda División B.  It is Real Madrid's reserve team.  They play their home games at Alfredo di Stéfano Stadium.

Zinedine Zidane: Zinedine Yazid Zidane (] , born 23 June 1972), nicknamed "Zizou", is a retired French footballer and current manager of Real Madrid.  He played as an attacking midfielder for the France national team, Cannes, Bordeaux, Juventus and Real Madrid.  An elite playmaker, renowned for his elegance, vision, ball control and technique, Zidane was named the best European footballer of the past 50 years in the UEFA Golden Jubilee Poll in 2004.  He is widely regarded as one of the greatest players of all time.

Supporting paragraphs: Football in Martinique Raphaël Varane
Answer: Raphaël Varane