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 (tyres VARCHAR, points VARCHAR, chassis VARCHAR)

### Question ###
What tyres have 1 point and an ensign n177 chassis?

### Accurate SQL ###

SELECT tyres FROM table_name_15 WHERE points = "1" AND chassis = "ensign n177"