And actually, I didn't even notice at first that Wolfram|Alpha already has competing assumptions for how we treat "years" — it's just that the best interpretati

And actually, I didn't even notice at first that Wolfram|Alpha already has competing assumptions for how we treat "years" — it's just that the best interpretation in this case isn't already the default: http://www.wolframalpha.com/input/?i=who+won+the+super+bowl+three+years+ago&assumption=%7B%22C%22,+%22years%22%7D+-%3E+%7B%22EnglishWord%22%7D http://www.wolframalpha.com/input/?i=who+won+the+super+bowl+...