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_4766 ( "Name" text, "Pole Position" text, "Fastest Lap" text, "Winning driver" text, "Winning team" text, "Report" text )

### Question ###
What race did Bobby Unser win?

### Accurate SQL ###

SELECT "Name" FROM table_4766 WHERE "Winning driver" = 'bobby unser'