Question: The 1990–91 U.C. Sampdoria season ended with which striker as the leading scorer?
Sentence (from "1990–91 U.C. Sampdoria season"): Gianluca Vialli was the league top scorer on 19 goals, and Roberto Mancini, Attilio Lombardo, goalkeeper Gianluca Pagliuca plus centre half Pietro Vierchowod were also instrumental in Sampdoria's success story.
Relevant evidence: Yes