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_2 ( rounds VARCHAR, engine_† VARCHAR, driver VARCHAR )

### Question ###
What's the rounds for jenson button with a bmw e41 engine?

### Accurate SQL ###

SELECT rounds FROM table_name_2 WHERE engine_† = "bmw e41" AND driver = "jenson button"