Question: The 1997–98 FC Barcelona season began with the addition of the striker who was of what nationality?

Context paragraphs:
Nou Palau Blaugrana: The Nou Palau Blaugrana will be a multi-sports indoor arena, located in Barcelona, Catalonia, Spain.  The arena will serve as the home arena for the basketball (FC Barcelona Bàsquet) and handball (FC Barcelona Handbol) sections of the multi-sports club FC Barcelona.  The Nou Palau Blaugrana will have a capacity of 12,500 spectators.

Sonny Anderson: Anderson da Silva (born 19 September 1970), known as Sonny Anderson, is a Brazilian retired footballer who played as a striker.

1997–98 FC Barcelona season: FC Barcelona returned to its previous glorious league ways under the guidance of new coach Louis van Gaal.  The highly rated coach, hired from Ajax Amsterdam, brought lethal striker Sonny Anderson and the attacking midfielder Rivaldo with him.  But surprisedly Barcelona sold Ronaldo to Inter Milan just before season begin and thus handed Sonny Anderson as main striker.  He introduced Barcelona to his marvelous 4-3-3 formation, in which Rivaldo was a perfect centre forward, scoring 20 goals in the league.  Under van Gaal at helm on his first season, Barcelona won their 15th La Liga title, 2nd European Super Cup title as well as 24th Copa del Rey title (thus winning their domestic double) but Barcelona crashed out of the UEFA Champions League, following a lackluster performance in the First Group Phase.  In fact, Barcelona ended up last in the group, and was not even qualifying for the remainder of the UEFA Cup, contributing only single victory, two draws and three defeats and thus preventing Barcelona's first treble glory.

Emilio Sagi Liñán: Emilio Sagi Liñán (born Bolívar, Buenos Aires, Argentina, 15 March 1900; died Barcelona, 25 May 1951), was a former Spanish footballer who played as a left-winger for FC Barcelona, the Catalan XI and Spain during the 1920s and 1930s.  He was the son of Emilio Sagi Barba, the Catalan baritone singer, and Concepción Liñán Pelegrí, a dancer, and as a result, was widely referred to as Sagibarba (father's surnames together in a single surname).  During his playing career he played 455 games and scored 134 goals for FC Barcelona and is best remembered for forming a successful partnership with Paulino Alcántara.  Together with Josep Samitier, Ricardo Zamora, Félix Sesúmaga and, later, Franz Platko they were prominent members of the successful FC Barcelona team coached by Jack Greenwell.  His younger brother, Luís Sagi Vela, followed in his fathers footsteps and also became a successful baritone singer.  His son, Victor Sagi, later ran one of the biggest advertising agencies in Spain and in 1978 announced his candidacy for the presidency of FC Barcelona, but withdrew before the election was held.

FC Barcelona Bàsquet B: FC Barcelona Bàsquet B (English: FC Barcelona Basketball B), also currently known as FC Barcelona Lassa B for sponsorship reasons, is the reserve team of FC Barcelona Lassa.  The team currently plays in the Spanish 2nd-tier level LEB Oro.

Barcelona Dragons: The Barcelona Dragons were a team originally in the World League of American Football and later in the resurrected NFL Europe.  Their home field in Barcelona was the Estadi Olímpic de Montjuic, the 1992 Olympic Stadium, and later the Mini Estadi.  The Dragons were successful on the field, making it to 4 World Bowls (1991, 1997, 1999, 2001) and winning World Bowl V in 1997.  The team was made part of the FC Barcelona organization in 2002 as the FC Barcelona Dragons.  Despite these efforts, the franchise's fan support decreased and the team began to struggle financially.  After the 2003 season, the Dragons were discontinued and they were replaced in the league by the Cologne Centurions.

Joaquim Peris de Vargas: Joaquim Peris de Vargas is a former President of FC Barcelona.  He was one of the most controversial Presidents in the history of FC Barcelona.  He began his career as manager in 1910 as he occupied the vice presidency, a position he held with various presidents.  Taking advantage of Pay Àlvar resignation in September 1914, Vargas Peris assumed leadership of FC Barcelona.  His spell in charge at the club was marked by constant controversy, because I always wanted to impose his opinion and even got the players rebelling against him.  Vargas was famous for his quote: "I am Barcelona."  He left the organization at the request of the general assembly of FC Barcelona and he was forced to resign at the end of the season 1914-15.

Josep Maria Fusté: Josep Maria Fusté Blanch (born 15 April 1941) is a retired Spanish footballer and captain of FC Barcelona during the 1960s and early 1970s.  In 1964, together with Luis Suárez, Amancio Amaro, José Ángel Iribar and his FC Barcelona team mate, Jesús María Pereda, he also helped Spain win the European Championship.  He also played for CA Osasuna and Hércules CF.  After retiring as a player he worked as a public relations executive for "Codorniu", a Catalan sparkling wine company.  He also served as president of the FC Barcelona veterans association and publicly supported Sixto Cambra, a Catalan nationalist, who stood against Josep Lluís Nuñez in the 1989 FC Barcelona presidential elections.

1998–99 FC Barcelona season: During the 1998–99 FC Barcelona season, the club once again retained the La Liga title, but eliminated by Valencia in the round of 16 of Copa del Rey.  Barcelona enjoyed a great season with their new signings Ronald de Boer, Patrick Kluivert, Frank de Boer, Mauricio Pellegrino, Boudewijn Zenden and Phillip Cocu.  Barcelona's league start was slower in early season but Barcelona turnaround to secure La Liga in late-May, but Barcelona crashed out of the UEFA Champions League, following an another lackluster performance in the First Group Phase.

FC Barcelona Bàsquet: FC Barcelona Bàsquet (English: FC Barcelona Basketball), also currently known as FC Barcelona Lassa for sponsorship reasons, is a Spanish professional basketball club.  It is a part of the FC Barcelona multi sports club, and was founded on 24 August 1926, which makes it the oldest club in the Liga ACB.  The club competes domestically in the Liga ACB and the EuroLeague.  It has won seven of the last thirteen ACB championships, and in 2003, completed a Liga ACB (Spanish League), Copa del Rey (Spanish King's Cup) and EuroLeague triple crown.  FC Barcelona Bàsquet has played in seven EuroLeague Finals, with the last one being their 2010 win.

Supporting paragraphs: 1997–98 FC Barcelona season Sonny Anderson
Answer: Brazilian