Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.

Who won a Gold Medal for Britain in the men's 100 metres at the 1992 Summer Olympic Games in Barcelona?
britain

Lexus is the luxury vehicle division of what car maker?
lexus

In French cuisine, what is the name for a baked dish originating in Germany that is based on a custard made from eggs and milk or cream in a pastry crust, which usually is blind baked before the other ingredients are added for a secondary baking period?

egg