What was the fastest lap time at the British Grand Prix with Mercedes as the constructor?
CREATE TABLE table_name_2 (
    fastest_lap VARCHAR,
    constructor VARCHAR,
    race VARCHAR
)
SELECT fastest_lap FROM table_name_2 WHERE constructor = "mercedes" AND race = "british grand prix"
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 was the fastest lap time at the British Grand Prix with Mercedes as the constructor? ### Input: CREATE TABLE table_name_2 (
    fastest_lap VARCHAR,
    constructor VARCHAR,
    race VARCHAR
) ### Response: SELECT fastest_lap FROM table_name_2 WHERE constructor = "mercedes" AND race = "british grand prix"