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_38 (year_started INTEGER, current_car VARCHAR, number_of_cars VARCHAR)

### Question ###
Which Year started is the highest one that has a Current car of arctic sun, and a Number of cars smaller than 1?

### Accurate SQL ###

SELECT MAX(year_started) FROM table_name_38 WHERE current_car = "arctic sun" AND number_of_cars < 1