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_67 ( rider VARCHAR, grid VARCHAR, bike VARCHAR, laps VARCHAR, time VARCHAR )

### Question ###
What is the driver with the laps under 16, grid of 10, a bike of Yamaha YZF-R6, and ended with an accident?

### Accurate SQL ###

SELECT rider FROM table_name_67 WHERE laps < 16 AND time = "accident" AND bike = "yamaha yzf-r6" AND grid = 10