I'm sure i know more useless information about the Simpson's than about anything else. The stuff just accumulates over the years.
9/10. I'm not proud of this, but I actually took that long quiz. (who me, put off work?) And only got 61 of them (some of which you could figure out from context... they appeared further down the page).
You scored 10 out of a possible 10 Your encyclopaedic knowledge of The Simpsons makes you the toast of Springfield. You probably dress up as Marge for the annual convention. whew! I was nervous for a second there. I would have been totally embarassed if I didn't do well on this one, given my user name and sig.