Which Mountains classification has a Team classification of quick step?
CREATE TABLE table_name_81 (
    mountains_classification VARCHAR,
    team_classification VARCHAR
)
SELECT mountains_classification FROM table_name_81 WHERE team_classification = "quick step"
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: Which Mountains classification has a Team classification of quick step? ### Input: CREATE TABLE table_name_81 (
    mountains_classification VARCHAR,
    team_classification VARCHAR
) ### Response: SELECT mountains_classification FROM table_name_81 WHERE team_classification = "quick step"