What week was the opponent the San Diego Chargers?
CREATE TABLE table_name_71 (
    week INTEGER,
    opponent VARCHAR
)
SELECT AVG(week) FROM table_name_71 WHERE opponent = "san diego chargers"
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 week was the opponent the San Diego Chargers? ### Input: CREATE TABLE table_name_71 (
    week INTEGER,
    opponent VARCHAR
) ### Response: SELECT AVG(week) FROM table_name_71 WHERE opponent = "san diego chargers"