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_34 ( driver VARCHAR, time_retired VARCHAR, grid VARCHAR, constructor VARCHAR, laps VARCHAR )

### Question ###
Who drove the maserati under 18 laps with an oil leak that had a grid of under 14?

### Accurate SQL ###

SELECT driver FROM table_name_34 WHERE constructor = "maserati" AND laps < 18 AND grid < 14 AND time_retired = "oil leak"