Which Round has a Ranking of 2008 wta tour?
CREATE TABLE table_33875 (
    "Player" text,
    "Ranking" text,
    "Event" text,
    "Surface" text,
    "Round" text,
    "Score" text
)
SELECT "Round" FROM table_33875 WHERE "Ranking" = '2008 wta tour'
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 Round has a Ranking of 2008 wta tour? ### Input: CREATE TABLE table_33875 (
    "Player" text,
    "Ranking" text,
    "Event" text,
    "Surface" text,
    "Round" text,
    "Score" text
) ### Response: SELECT "Round" FROM table_33875 WHERE "Ranking" = '2008 wta tour'