What is the date that Stirling Moss had his fastest lap in a Maserati?
CREATE TABLE table_name_28 (
    date VARCHAR,
    constructor VARCHAR,
    fastest_lap VARCHAR
)
SELECT date FROM table_name_28 WHERE constructor = "maserati" AND fastest_lap = "stirling moss"
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 date that Stirling Moss had his fastest lap in a Maserati? ### Input: CREATE TABLE table_name_28 (
    date VARCHAR,
    constructor VARCHAR,
    fastest_lap VARCHAR
) ### Response: SELECT date FROM table_name_28 WHERE constructor = "maserati" AND fastest_lap = "stirling moss"