Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_38 ( event_name VARCHAR, race_winner VARCHAR, track VARCHAR )

### Question ###
At which event was Ken Schrader the Race Winner at the Toledo Speedway?

### Accurate SQL ###

SELECT event_name FROM table_name_38 WHERE race_winner = "ken schrader" AND track = "toledo speedway"