13. A question answering method for structured knowledgebase using deep natural language question analysis, the question answering method comprising: creating a structure of a semantic frame by analyzing a natural language question that is input; creating a question-intermediate expression of a lexicon level based on the semantic frame; creating a query used to search in a knowledgebase that is a subject of search, based on the question-intermediate expression; and finding a correct answer in the knowledgebase that is the subject of search based on the query, and providing an accuracy of the correct answer, a confidence of the correct answer and an evidence for the correct answer.
13. A question answering method for structured knowledgebase using deep natural language question analysis, the question answering method comprising: creating a structure of a semantic frame by analyzing a natural language question that is input; creating a question-intermediate expression of a lexicon level based on the semantic frame; creating a query used to search in a knowledgebase that is a subject of search, based on the question-intermediate expression; and finding a correct answer in the knowledgebase that is the subject of search based on the query, and providing an accuracy of the correct answer, a confidence of the correct answer and an evidence for the correct answer. 17. The question answering method of claim 13 , wherein the creating of the question-intermediate expression of the lexicon level comprises recognizing a question focus from the natural language question, and creating a lexicon level-query format based on a semantic frame including the question focus.