What I found was that the answer was in the snippets on the first SERP but certainly for some of the questions it seemed pretty hard to parse it out.
Also I think Jeopardy got 1 or possibly 2 answers wrong
- White City was the City of the 1908 Olympics, it was in London Borough or Greater London but not in the City of London (http://en.wikipedia.org/wiki/City_of_London). White City is a borough and not a city, which makes this a really hard question for a computer to answer I think.
- Nagini killed whatever Harry Potter character was mentioned ; I'm not familiar with the series and didn't see this question this was just based on a comment on Reddit and a Google for "killed $CharName" (I have a really bad memory).
It would be interesting to feed to clues into Google to see what comes out. There are easy ones like http://www.google.com/search?hl=en&source=hp&biw=115... but I'm sure there are also some that Google wouldn't have a clue.