What is the average rank for team cle when the BB/SO is 10.89?
CREATE TABLE table_38109 (
    "Rank" real,
    "Player" text,
    "Team" text,
    "Year" real,
    "BB/SO" real
)
SELECT AVG("Rank") FROM table_38109 WHERE "Team" = 'cle' AND "BB/SO" = '10.89'
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: What is the average rank for team cle when the BB/SO is 10.89? ### Input: CREATE TABLE table_38109 (
    "Rank" real,
    "Player" text,
    "Team" text,
    "Year" real,
    "BB/SO" real
) ### Response: SELECT AVG("Rank") FROM table_38109 WHERE "Team" = 'cle' AND "BB/SO" = '10.89'