How many dates have silverstone circuit
CREATE TABLE table_1140103_6 (
    date VARCHAR,
    circuit VARCHAR
)
SELECT COUNT(date) FROM table_1140103_6 WHERE circuit = "Silverstone"
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: How many dates have silverstone circuit ### Input: CREATE TABLE table_1140103_6 (
    date VARCHAR,
    circuit VARCHAR
) ### Response: SELECT COUNT(date) FROM table_1140103_6 WHERE circuit = "Silverstone"