What's the points classification of Stage 18 when the general classification was Denis Menchov?
CREATE TABLE table_name_46 (points_classification VARCHAR, general_classification VARCHAR, stage VARCHAR)
SELECT points_classification FROM table_name_46 WHERE general_classification = "denis menchov" AND stage = "18"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_46 (points_classification VARCHAR, general_classification VARCHAR, stage VARCHAR) Question: What's the points classification of Stage 18 when the general classification was Denis Menchov? [/INST] SELECT points_classification FROM table_name_46 WHERE general_classification = "denis menchov" AND stage = "18" </s>