Watson is trained for answering those questions ,google is not. this is why some one can pee all his urine into a small cococola bottle on the ground from upstairs while others can,t:he trained himself and practiced a lot. if you need Watson help you with other things, you need to train him again.that's why you need apps for: do the training. you will find there's nothing different with training a SAS or R program. you are still on your own. there's no help you can get from Watson