We, like most sports fans, have developed a deep deep infatuation with trivia and the internet has only worsened our disease. Sporcle quizzes in particular have chewed up numerous hours - perhaps even days - of our lives as we hurridly try to name every footballer in history whose name begins with 'Z' or whatever the task may be.
However here's a teaser that's a little different. There's only one answer but it's a tricky one to get. Basically all you have to do is name the only player to have scored a hat-trick in the Premier League, La Liga and Serie A.
You've got four minutes. God speed.