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.

Romania and which other country joined the EU on the 1st January 2007?
bulgaria

In which film series would you expect to film Katniss Everdeen and Peeta Malark?
the hunger games

Hailey Williams is the lead singer with which current pop band?

paramore