Given an trivia question precisely answer the question with a word/phrase/name. External resources such as Wikipedia could be used to obtain the facts.

In the film `Seven` what is the name of the killer played by Kevin Spacey?
john doe

Flight-lieutenant Jerry Rawlings ruled which African country from 1981-2001?
ghana

Who sang with Serge Gainsbourg on the hit Je t'aime?

jane birkin