Which stage had tabriz petrochemical team in the team classification?
CREATE TABLE table_name_68 (
    stage VARCHAR,
    team_classification VARCHAR
)
SELECT stage FROM table_name_68 WHERE team_classification = "tabriz petrochemical team"
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 stage had tabriz petrochemical team in the team classification? ### Input: CREATE TABLE table_name_68 (
    stage VARCHAR,
    team_classification VARCHAR
) ### Response: SELECT stage FROM table_name_68 WHERE team_classification = "tabriz petrochemical team"