Passage: Xavi's progression through the teams earned him a first-team appearance in a Copa Catalunya match against Lleida on 5 May 1998 and he scored his first goal on 18 August 1998 in the Super Cup final against Mallorca. His debut in La Liga came against Valencia on 3 October 1998 in a 3–1 victory for Barcelona. Initially featuring intermittently both for the reserve and senior teams, Xavi scored the only goal in a 1–0 victory over Real Valladolid when Barcelona were in tenth position in the league. Sustained impressive performances meant that he became a key member of Louis van Gaal's title-winning team, finishing his debut season with 26 matches played and being named 1999 La Liga Breakthrough Player of the Year. Xavi became Barcelona's principal playmaker after an injury to Pep Guardiola in the 1999–2000 season.

Question: Did Xavi score his first goal in the August 1998 or August 1988?
1998