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_46 ( grid INTEGER, rider VARCHAR )

### Question ###
What is the lowest grid number when Colin Edwards is the rider?

### Accurate SQL ###

SELECT MIN(grid) FROM table_name_46 WHERE rider = "colin edwards"