What's the mountains classification of winner Carlos Sastre when the general classification is Denis Menchov?
CREATE TABLE table_name_15 (mountains_classification VARCHAR, general_classification VARCHAR, winner VARCHAR)
SELECT mountains_classification FROM table_name_15 WHERE general_classification = "denis menchov" AND winner = "carlos sastre"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_15 (mountains_classification VARCHAR, general_classification VARCHAR, winner VARCHAR) Question: What's the mountains classification of winner Carlos Sastre when the general classification is Denis Menchov? [/INST] SELECT mountains_classification FROM table_name_15 WHERE general_classification = "denis menchov" AND winner = "carlos sastre" </s>