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_4 ( constructor VARCHAR, driver VARCHAR, grid VARCHAR, laps VARCHAR )

### Question ###
Who made the car that Alberto Ascari went more than 35 laps on a grid less than 7?

### Accurate SQL ###

SELECT constructor FROM table_name_4 WHERE grid < 7 AND laps > 35 AND driver = "alberto ascari"