query: SELECT first_name FROM customer WHERE customer_id NOT IN( SELECT customer_id FROM rental WHERE rental_date  >  '2005-08-23 02:06:01' )
question: What the first names of customer who ain't rented no films after '2005-08-23 02:06:01'?
query_toks: SELECT first_name FROM customer WHERE customer_id NOT IN ( SELECT customer_id FROM rental WHERE rental_date > '2005-08-23 02:06:01 ' )
query_toks_no_value: select first_name from customer where customer_id not in ( select customer_id from rental where rental_date > value )
question_toks: What the first names of customer who ain't rented no films after '2005-08-23 02:06:01'?