People who voted to ban TC had an average karma of 350 and accounts 318 days old, and people who voted against it had an average karma of 562 and accounts 367 days old.

    > (let voters (map !2 ((item 625256) 'votes))  
        (list (round (avg (map [karma _] voters)))  
              (round (avg (map [days-since (uvar _ created)] voters)))))
    (350 318)

16 people have so far voted both to ban TC and not to:

    > (let novoters (map !2 ((item 625257) 'votes))  
        (len (keep [mem _ novoters] (map !2 ((item 625256) 'votes)))))
    16

Um, I noticed that you the item number you used was 625256 but the URL has 625255 (http://news.ycombinator.com/item?id=625255)

But then I have no idea what language or query that is so I probably misunderstood

That's the poll itself, not the poll choices.

Ah.. I knew I was missing something :) Thanks for explaining that