Which Week has a Opponent of tennessee titans?
CREATE TABLE table_name_86 (
    week VARCHAR,
    opponent VARCHAR
)
SELECT week FROM table_name_86 WHERE opponent = "tennessee titans"
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 Week has a Opponent of tennessee titans? ### Input: CREATE TABLE table_name_86 (
    week VARCHAR,
    opponent VARCHAR
) ### Response: SELECT week FROM table_name_86 WHERE opponent = "tennessee titans"