well forgive me. I might not understand your question. But I would say that it would come from our conscious mind. as the unconscious mind doesn't have direct control like this.
Im sorry if you meant more detail or more of a how the problem solving occurs.
Please see the philosophy forums guidelines. The original post is too insubstantially developed. Additionally, depending on the exact nature of the question you're thinking of, it may be more appropriate to ask this question in the Mind & Brain Sciences forum.