Question: The 1997–98 FC Barcelona season began with the addition of the striker who was of what nationality?
Sentence (from "1997–98 FC Barcelona season"): 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.
Relevant evidence: No