Danielle Rousseau has always been one of the most mysterious characters on Lost, and that's saying something. The final minutes of "Meet Kevin Johnson" left me with even more questions about the French woman. She's never had a flashback, and is completely on her own on the island. There is also no way to confirm her stories about reaching the island, her child getting abducted, or the deaths of her team members.

Spoiler Warning: Anyone not caught up with season four should stop reading now.

So, you've seen every single episode of Lost and you own all the DVDs and you consider yourself an expert. Check out these five questions and see if you really know as much as you think you do.

1. What is the name of the only hit song that Charlie's band Driveshaft had?