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_17 ( team VARCHAR, chassis___engine VARCHAR, laps VARCHAR )

### Question ###
What team has a porsche 956 b chassis-engine with less than 79 laps?

### Accurate SQL ###

SELECT team FROM table_name_17 WHERE chassis___engine = "porsche 956 b" AND laps < 79