When was the race that set the record for the Izod Indycar Series?
CREATE TABLE table_name_47 (date VARCHAR, record VARCHAR)
SELECT date FROM table_name_47 WHERE record = "izod indycar series"
### Context: CREATE TABLE table_name_47 (date VARCHAR, record VARCHAR) ### Question: When was the race that set the record for the Izod Indycar Series? ### Answer: SELECT date FROM table_name_47 WHERE record = "izod indycar series"