QuestionRouter class

The QuestionRouter class is defined within backend/app/services/question_router.py. The QuestionRouter class uses the TEXT-TO-SQL Service for SQL query generation. The QuestionRouter class uses the DUCKDB Service for executing SQL queries and retrieving data. The QuestionRouter class uses the QDRANT SERVICE for semantic search over vector data. The QuestionRouter class is used by the API LAYER including the backend/app/api/analysis.py endpoint for processing queries. QuestionRouter.route() is the main method within QuestionRouter that orchestrates query execution. The route method is part of the QuestionRouter class.