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_15 (rounds VARCHAR, chassis VARCHAR, driver VARCHAR)

### Question ###
How many rounds did geoff lees drive with chassis of n180?

### Accurate SQL ###

SELECT rounds FROM table_name_15 WHERE chassis = "n180" AND driver = "geoff lees"