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_20159025_1 (part_3 VARCHAR, driver VARCHAR)

### Question ###
What was the time in part 3 when Heikki Kovalainen was the driver? 

### Accurate SQL ###

SELECT part_3 FROM table_20159025_1 WHERE driver = "Heikki Kovalainen"