Question: When was the Spanish footballer  who was Among the main players behind the success of 1998–99 Valencia CF season born?
Sentence (from "1998–99 Valencia CF season"): Valencia CF had a successful season, finishing in the top four of La Liga and thus qualifying for the UEFA Champions League for the first time in almost 30 years, thanks to the extension of the competition to include more teams from the top leagues.
Relevant evidence: No