What is the average year that anna thompson had an 8th place result in team competition at the world cross country championships in st etienne, france with
CREATE TABLE table_name_22 (
    year INTEGER,
    result VARCHAR,
    extra VARCHAR,
    tournament VARCHAR,
    venue VARCHAR
)
SELECT AVG(year) FROM table_name_22 WHERE tournament = "world cross country championships" AND venue = "st etienne, france" AND extra = "team competition" AND result = "8th"
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 year that anna thompson had an 8th place result in team competition at the world cross country championships in st etienne, france with ### Input: CREATE TABLE table_name_22 (
    year INTEGER,
    result VARCHAR,
    extra VARCHAR,
    tournament VARCHAR,
    venue VARCHAR
) ### Response: SELECT AVG(year) FROM table_name_22 WHERE tournament = "world cross country championships" AND venue = "st etienne, france" AND extra = "team competition" AND result = "8th"