This seems almost completely useless. I tried ten questions, and only one was answered, incorrectly (Moby Dick question misunderstood, answered as "novel by Herman Melville"). I think even Ask Jeeves back in the 90s had better performance than this. Questions tried: how many lines of resolution are there in an ntsc television signal? what is the melting point of tin/lead eutetic solder? what species of whale was moby…
"This seems almost completely useless" - seems pretty harsh. Someone making a cool project, open sourcing it, and documenting it really well is something that should be praised. Of course Google is going to do much better, its a company focused on search.