Here are the correct answers:

In which year did Chelsea sign Ricardo Carvalho?
2004

Who scored Chelsea’s third goal in their 3-1 home win against Everton in October?
Ramires

Which of these players did NOT feature in Chelsea’s 1998 European Cup Winners’ Cup triumph against Stuttgart?
Mark Hughes

Who did Gianfranco Zola come on for as a substitute in that game?
Tore Andre Flo

Former Chelsea defender Frank Sinclair currently plays for which non-League team?
Colwyn Bay