It still needs work for more complex queries: http://www.wolframalpha.com/input/?i=debt+%2F+pop++japan%2C+debt+%2F+pop+us%2C+debt+%2F+pop+france%2C+debt+%2F+po

It still needs work for more complex queries: http://www.wolframalpha.com/input/?i=debt+%2F+pop++japan%2C+debt+%2F+pop+us%2C+debt+%2F+pop+france%2C+debt+%2F+pop+china http://www.wolframalpha.com/input/?i=debt+%2F+pop++japan%2C+... So there's a small bug when you look at France. Also, it took trial and error to get a query that actually worked. (ex: comparing debt / pop / LE between multiple countries instead of debt / pop leads to more bugs)