what is the average of all 14 interchanges ?
CREATE TABLE table_203_34 (
    id number,
    "season" text,
    "appearance" number,
    "interchange" number,
    "tries" number,
    "goals" number,
    "f/g" number,
    "points" number
)
SELECT AVG("interchange") FROM table_203_34
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 of all 14 interchanges ? ### Input: CREATE TABLE table_203_34 (
    id number,
    "season" text,
    "appearance" number,
    "interchange" number,
    "tries" number,
    "goals" number,
    "f/g" number,
    "points" number
) ### Response: SELECT AVG("interchange") FROM table_203_34