On what track is the Argent mortgage Indy 300 held? 
CREATE TABLE table_2454550_1 (track VARCHAR, race_name VARCHAR)
SELECT track FROM table_2454550_1 WHERE race_name = "Argent Mortgage Indy 300"
### Context: CREATE TABLE table_2454550_1 (track VARCHAR, race_name VARCHAR) ### Question: On what track is the Argent mortgage Indy 300 held?  ### Answer: SELECT track FROM table_2454550_1 WHERE race_name = "Argent Mortgage Indy 300"