What date was the Silverstone circuit driven? 
CREATE TABLE table_1140119_5 (date VARCHAR, circuit VARCHAR)
SELECT date FROM table_1140119_5 WHERE circuit = "Silverstone"
### Context: CREATE TABLE table_1140119_5 (date VARCHAR, circuit VARCHAR) ### Question: What date was the Silverstone circuit driven?  ### Answer: SELECT date FROM table_1140119_5 WHERE circuit = "Silverstone"